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Teaching Since:	May 2017
Last Sign in:	352 Weeks Ago, 4 Days Ago
Questions Answered:	20103
Tutorials Posted:	20155

Education

MBA, PHD
Phoniex
Jul-2007 - Jun-2012

Experience

Corportae Manager
ChevronTexaco Corporation
Feb-2009 - Nov-2016

Category > Engineering Posted 29 Jul 2017 My Price 15.00

week 8 assignment

QUESTION 1

Select the correct description of right-hand and left-hand behavior of the graph of the polynomial function.

		Rises to the left, falls to the right
		Rises to the right, rises to the left
		Falls to the left, rises to the right
		Falls to the right
		Falls to the left, falls to the right

4 points

QUESTION 2

Select the correct description of right-hand and left-hand behavior of the graph of the polynomial funciton.f(x) = 4x2 - 5x + 4

		Falls to the left, rises to the right
		Falls to the left, falls to the right
		Rises to the left, rises to the right
		Rises to the left, falls to the right
		Falls to the left

4 points

QUESTION 3

Find all the real zeroes of the polynomial function.f(x) = x2 - 25

-25

5

-5

25

±5

4 points

QUESTION 4

Use synthetic division to divide.(4x3 + x2 - 11x + 6) ÷ (x + 2)

4x2 - 5x - 6

4x2 - 7x + 3

4x2 - 2x - 2

4x2 + 5x - 12

4x2 + 7x - 4

4 points

QUESTION 5

Use the Remainder Theorem and synthetic division to find the function value. Verify your answers using another method.h(x) = x3 - 6x2 - 5x + 7h(-8)

-849

-847

-851

-848

-845

4 points

QUESTION 6

Find all the rational zeroes of the function.x3 - 12x2 + 41x - 42

-2, -3, -7

2, 3, 7

2, -3, 7

-2, 3, 7

-2, 3, -7

4 points

QUESTION 7

The total revenue R earned (in thousands of dollars) from manufacturing handheld video games is given by R(p) = -25p2 + 1700pwhere p is the price per unit (in dollars).Find the unit price that will yield a maximum revenue.

$38

$35

$36

$37

$34

4 points

QUESTION 8

Find the domain of the function

		Domain: all real numbers x except x = 7
		Domain: all real numbers x except x = ±49
		Domain: all real numbers x except x = ±8
		Domain: all real numbers x except x = -7
		Domain: all real numbers x except x = ±7

4 points

QUESTION 9

Find the domain of the function and identify any vertical and horizontal asymptotes.

		Domain: all real numbers xVertical asymptote: x = 0Horizontal asymptote: y = 0
		Domain: all real numbers x except x = 2Vertical asymptote: x = 0Horizontal asymptote: y = 0
		Domain: all real numbers x except x = 5Vertical asymptote: x = 0Horizontal asymptote: y = 2
		Domain: all real numbers xVertical asymptote: x = 0Horizontal asymptote: y = 2
		Domain: all real numbers x except x = 5Vertical asymptote: x = 5Horizontal asymptote: y = 0

4 points

QUESTION 10

Simplify f and find any vertical asymptotes of f.

x+3; vertical asymptote: x = -3

x; vertical asymptote: none

x; vertical asymptote: x = -3

x-3; vertical asymptote: none

x2; vertical asymptote: none

4 points

QUESTION 11

Determine the equations of any horizontal and vertical asymptotes of

		horizontal: y = 5; vertical: x = 0
		horizontal: y = 1; vertical: x = -5
		horizontal: y = 1; vertical: x = 1 and x = -5
		horizontal: y = -1; vertical: x = -5
		horizontal: y = 0; vertical: none

4 points

QUESTION 12

Identify all intercepts of the following function.

x-intercepts: (±3, 0)

no intercepts

x-intercepts: (-3,0)

x-intercepts: (0,0)

x-intercepts: (3,0)

4 points

QUESTION 13

Select the correct graph of the function.

4 points

QUESTION 14

The game commission introduces 100 deer into newly acquired state game lands. The population N of the herd is modeled bywhere t is the time in years. Find the populations when t=40. (Round your answer to the nearest whole number.)

1,442 deer

1,632 deer

1,594 deer

1,550 deer

1,500 deer

4 points

QUESTION 15

Evaluate the function at the indicated value of x. Round your result to three decimal places.Function: f(x) = 6000(6x) Value: x = -1.3

584.191

784.191

-584.191

684.191

-784.191

4 points

QUESTION 16

Select the graph of the function.

4 points

QUESTION 17

Use the One-to-One Property to solve the equation for x.ex2-6 = e5x

x = -6

x = 5

x = 6, -1

x = -6, -1

x = -6,1

4 points

QUESTION 18

log366 = 1/2

36½ = -6

36½ = 6

6½ = 36

36½ = -1/6

36½ = 1/6

4 points

QUESTION 19

Write the exponential equation in logarithmic form.272 = 729

log27729 = 2

log27729 = 1/2

log72927 = 2

log27729 = -2

log272 = 729

4 points

QUESTION 20

Find the exact value of the logarighmic expression without using a calculator.4 ln e7

7

28

4

e

1

4 points

QUESTION 21

Condense the expression to the logarithm of a single quantity.ln310 + ln3x

ln3(10 - x)

ln310/x

ln3(10 + x)

ln310x

ln310x

4 points

QUESTION 22

Solve for x.6x = 1,296

6

10

4

-6

-4

4 points

QUESTION 23

Solve the exponential equation algebraically. Approximate the result to three decimal places.ex - 8 = 12

ln20 ≈ 2.485

ln20 ≈ 2.996

ln20 ≈ -2.485

ln20 ≈ 2.079

ln20 ≈ -2.996

4 points

QUESTION 24

An initial investment of $9000 grows at an annual interest rate of 5% compounded continuously. How long will it take to double the investment?

1 year

14.40 years

13.86 years

14.86 years

13.40 years

4 points

QUESTION 25

The populations (in thousands) of Pittsburgh, Pennsylvania from 2000 through 2007 can be modele by where t represents the year, with t = 0 corresponding to 2000. Use the model to find the population in the year 2001.

2,418,774

2,419,774

2,421,774

2,420,774

2,422,774

Answers

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Status NEW Posted 29 Jul 2017 08:07 AM My Price 15.00

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week 8 assignment

QUESTION 1

QUESTION 2

QUESTION 3

QUESTION 4

QUESTION 5

QUESTION 6

QUESTION 7

QUESTION 8

QUESTION 9

QUESTION 10

QUESTION 11

QUESTION 12

QUESTION 13

QUESTION 14

QUESTION 15

QUESTION 16

QUESTION 17

QUESTION 18

QUESTION 19

QUESTION 20

QUESTION 21

QUESTION 22

QUESTION 23

QUESTION 24

QUESTION 25

Answers

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		4x2 - 5x - 6
		4x2 - 7x + 3
		4x2 - 2x - 2
		4x2 + 5x - 12
		4x2 + 7x - 4

		x+3; vertical asymptote: x = -3
		x; vertical asymptote: none
		x; vertical asymptote: x = -3
		x-3; vertical asymptote: none
		x2; vertical asymptote: none

		x-intercepts: (±3, 0)
		no intercepts
		x-intercepts: (-3,0)
		x-intercepts: (0,0)
		x-intercepts: (3,0)

		log27729 = 2
		log27729 = 1/2
		log72927 = 2
		log27729 = -2
		log272 = 729

		ln20 ≈ 2.485
		ln20 ≈ 2.996
		ln20 ≈ -2.485
		ln20 ≈ 2.079
		ln20 ≈ -2.996

		-25
		5
		-5
		25
		±5

		-849
		-847
		-851
		-848
		-845

		-2, -3, -7
		2, 3, 7
		2, -3, 7
		-2, 3, 7
		-2, 3, -7

		$38
		$35
		$36
		$37
		$34