I have precalculus questions that need to be answered, View the attachment below and please answer them. My test on Monday so if you get me a failing grade i will not accept the work. Please have it done properly.. If you get me a very good score i will tip VERY NICE...

 

 

Which of the following is a factor of 2x2 + 4x -30 when it is
completely factored?
Select one:
A. 2x – 6
B. x – 3
C. 2x + 10
D. x2 + 2x –15 Question 2 Not answered
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The table below shows several points that satisfy a
function . Which of the following could be the graph of this function?
Select one: A. B. C. D. Question
Not answered 3 Points out of 5.47
Flag question Question text Let . Find . Select one:
A.
B.
C.
D. Question 4 Not answered
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Flag question Question text Find the slope of the line containing the points (7, -2) and (-5, 6).
Select one:
A.
B.
C.
D. Question 5 Not answered
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Flag question Question text Write an equation of the line containing (2, -4) with slope
Select one:
A.
B. C.
D. Question 6 Not answered
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Select one:
A.
B.
C.
D. Question 7 Not answered
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Given the functions
and y(x) =
domain and range of y(f(x)).
Select one: , find the A.
B.
C.
D. Question 8 Not answered
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Given the function h(x) = (log(5x))3 is a composition of
f(x) and g(x). Determine the functions f(x) and g(x).
Select one: A. f(x) = log(5x), g(x) = x3
B. f(x) = 5x3, g(x) = log x
C. f(x) = x3, g(x) = log(5x)
D. f(x) = log x, g(x) = 5x3 Question 9 Not answered
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Identify which of the following functions below is not one-toone over the given domain.
Select one:
A. f(x) = x4 - 3x2 + 5, x < 1
B. g(x) = x + 6, x ≤ –6
C. h(x) = x2 + 4x + 2, x ≥ –2
D. j(x) = x3 +5x – 1, x > 0 Question 10 Not answered
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Find the domain and range of the inverse function
of
Select one:
A.
B.
C.
D. Question 11 Not answered
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Find the inverse function of f(x) = 5ex–5 + 5 Select one:
A.
B.
C.
D. Question 12 Not answered
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Which of the following represents the reflection
of
Select one: A. about the x-axis? B. C. D. Question 13 Not answered
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Which of the following represents the function below? Select one: A. B. C. D. Question 14 Not answered
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Analyze the transformations of
on the parent
function
Select one:
A. Reflection over the x-axis, shift right 5 units, shift
down 6 units.
B. Reflection over the y-axis, shift right 5 units, shift
up 6 units.
C. Reflection over the x-axis, shift left 5 units, shift
down 6 units.
D. Reflection over the y-axis, shift left 5 units, shift
up 6 units. Question 15 Not answered
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Identify the function that is neither odd nor even.
Select one:
A. f(x) = 3x4 – 8x2
B. g(x) = 4x2 – x
C. h(x) = 5x6 – 1
D. j(x) = 3x3 – 2x Question 16 Not answered
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Flag question Question text Determine the end behavior of the function: . Select one:
A. Down on the right, up on the right side
B. Down on the right, up on the left side
C. Down on the left, up on the right side
D. Down on the left, up on the left side Question 17 Not answered
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Flag question Question text The polynomial of , has roots
of 5 and -5. Determine the behavior of the polynomial at the
root of -5 on the x-axis.
Select one:
A. Constantly decreasing
B. Constantly increasing
C. Increase to the root, then decreasing
D. Decrease to the root, then increasing Question 18 Not answered
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A rectangular prism has the width 2 less than the length, and
the height 8 less than the length. If the volume of the box is
70 cubic units, find the approximate length, width, and
height of the rectangle. Round your answer to the nearest
hundredth.
Select one:
A. The length is about 9.09 units, the width is about 7.09 units, and the height is about 1.09 units.
B. The length is about 1.85 units, the width is about 3.85 units, and
the height is about 11.85 units.
C. The length is about 3.01 units, the width is about 5.01 units, and
the height is about 11.01 units.
D. The length is about 11.85 units, the width is about 9.85 units, and
the height is about 3.85 units. Question 19 Not answered
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Flag question Question text Find the restrictions of the domain and the x-intercepts of the
following rational function:
Select one:
A. Domain restrictions:
B. Domain restrictions:
C. Domain restrictions:
D. Domain restrictions: Question 20 Not answered
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Flag question Question text Determine the equations of the asymptotes for the function Select one:
A.
B.
C.
D. Question 21 Not answered
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Flag question Question text What is the simplest rational function with asymptotes
?
Select one:
A.
B.
C.
D. Question 22 Not answered
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Your friend takes 6 hours more than you to paint a room,
while together it takes 12 hours. How long does it take you
to paint the room by yourself? Round your answer to the
nearest hundredth.
Select one:
A. 13.93 hours
B. 16.94 hours C. 18.38 hours
D. 21.37 hours Question 23 Not answered
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Which function is represented in the graph below? Select one:
A.
B.
C.
D. Question 24 Not answered
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The half-life of Plutonium-241 is about 14 years. This means that
every 14 years, a sample of Plutonium decays to half of its
original mass. How many years will it take for 80 grams to decay
into 5 grams? Select one:
A. 5.7
B. 16 C. 26.25
D. 56 Question 25 Not answered
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Solve the equation 22x = 64.
Select one:
A. 32
B. 3
C. 2.5
D. log3 Question 26 Not answered
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Simplify 1/3log 1000 +2 log 3.
Select one:
A. log60
B. log3000
C. log90
D. log1003 Question 27 Not answered
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Calculate to 2 decimal places, log34
Select one:
A. 1
B. 1.26
C. 1.33
D. -1 Question
Not answered 28 Points out of 5.47
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Evaluate log21 – log3
Select one:
A. 7
B. log18
C. log213
D. log7 Question 29 Not answered
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Evaluate log4 + log7
Select one:
A. log47
B. log28
C. log11
D. 28 Question 30 Not answered
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Solve 10x =180, x correct to 2 decimal places.
Select one:
A. 17
B. 2.23
C. 2
D. 2.26 Question 31 Not answered
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Solve ex =20
Select one: A. 1.2
B. 3.2
C. 0
D. 3 Question 32 Not answered
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Solve for 102x = 1,000,000
Select one:
A. 500
B. 3
C. 5,000
D. 2 Question 33 Not answered
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Solve x in the equation 3log2x+logx2=-4
Select one:
A. x=2-1/3 or x=1/2
B. x=2-1/3
C. 1/2
D. 1 Question 34 Not answered
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Find the value of x in logax = loga4 +4loga2
Select one:
A. log12
B. 12
C. 32
D. 64 Question 35 Not answered
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The magnitude of an earthquake on the Richter scale is defined by the
equation below, where M is the magnitude, E is the energy released by the earthquake, in
joules, and
is
scale earthquake. , the energy released by a reference small What is the magnitude of an earthquake that releases
energy? joules of Select one:
A. -3.73
B. 3.73
C. 3.86
D. 5.56 Question 36 Not answered
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Sound intensity is measured in decibels. The decibel (dB) is a logarithmic
unit that described the ratio between two sound intensity measurements.
The equation that describes the difference in decibels between two
measurements is shown below. If the ratio between two measurements,
sound intensity, in decibels? Select one:
A. 3
B. 30
C. 60
D. 1000 , is 1000, what is the change in Question 37 Not answered
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In your backyard, there is a square garden with a diagonal of
25 feet long. What are the lengths of the sides of your
garden?
Select one:
A. 25 feet
B.
C.
D. Question 38 Not answered
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Given point
Select one: on the unit circle, find the A.
B.
C.
D. Question 39 Not answered
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Which of the following is the graph of y = cot(x)? Select one:
A. . B. C. D. Question 40 Not answered
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Write
in terms of powers of
Select one:
A.
B.
C.
D. Question . 41 Not answered
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Identify the period and amplitude of
Select one:
A.
B.
C.
D. . Question 42 Not answered
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Which graph depicts
Select one: A. B. C. ? D. Question 43 Not answered
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In
What is the radian measure of
rounded to the nearest tenth?
Select one:
A. 2.6
B. 1.8
C. 0.8
D. 0.5 Question 44 Not answered
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Find the size of angle A. (Sides and angles are not to scale). Select one:
A. 39.5 degrees
B. 42.5 degrees
C. 50.5 degrees D. 32.5 degrees Question 45 Not answered
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Solve the following system by substitution.
x+y=7
x2 + y2 = 29
Select one:
A. (x,y) = (5,2), (2,5)
B. (x,y) = (5,2)
C. (x,y) = (-5,-2)
D. (x,y) = (-5,2) Question 46 Not answered
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Solve the following system by substitution.
8x + 5y = 27
8x - 3y = 35
Select one:
A. (x,y) = (-4,-1)
B. (x,y) = (4,-1)
C. (x,y) = (4,1)
D. (x,y) = (-4,1) Question 47 Not answered
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Flag question Question text Solve graphically x + 2y = 1 and -2x + y = -8.
Select one:
A. x =3.4 and y = 1.2
B. x = 3.4 and y = -1.2 C. x = 3.4
D. y = -1.2 Question 48 Not answered
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Flag question Question text Solve the inequality 4(x - 2) - 2(-x – 5) > 0
Select one:
A. x > 1/3
B. x > -1/3
C. x < 1/3
D. x < -1/3 Question 49 Not answered
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Find the equation of a parabola with vertex at the origin and
focus (-2, 0). Select one:
A.
B.
C.
D. Question 50 Not answered
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Flag question Question text An arrow is shot upwards into the air. Its height h at t seconds
after it
is fired is given by
. Find the time it takes the arrow
to attain its maximum height. Select one:
A. 5 seconds B. 6 seconds
C. 9 seconds
D. 12 seconds Question 51 Not answered
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Find the center and radius of the circle . Select one:
A. center (-2, 3), radius 7
B. center (-2, 3), radius 49
C. center (2, -3), radius 7
D. center (2, -3), radius 49 Question 52 Not answered
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Flag question Question text Find the equation of the ellipse centered at (4, -7) with a horizontal
major axis of length 16 and a vertical minor axis of length 12.
Select one:
A.
B.
C.
D. Question 53 Not answered
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Flag question Question text Identify the center, transverse axis, conjugate axis, and the equations of the asymptotes of the hyperbola whose equation is
. Select one:
A. center (0, 0), transverse axis 3, conjugate axis 5, asymptotes
B. center (3, 5), transverse axis 6, conjugate axis 10, asymptotes
C. center (3, 5), transverse axis 3, conjugate axis 5, asymptotes
D. center (0, 0), transverse axis 6, conjugate axis 10, asymptotes Question 54 Not answered
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Find the perimeter and area of a semicircle of diameter 20
inches. Use 3.14 for π.
Select one:
A. p = 62.8in., a = 314in.2
B. p = 31.4in., a = 157in.2
C. p = 51.4in., a = 157in.2
D. p = 51.4in., a = 314in.2 Question 55 Not answered
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A piece of chalk is shaped like a cylinder with a cone on top
of it. The radius of both the cone and cylinder is 1 cm, the
length of the cone from the center to the point is 1 cm, and
the length of the cylinder is 10 cm. What is the volume of the piece of chalk?
Select one:
A.
B.
C.
D. Question 56

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