QuickHelper

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About QuickHelper

Levels Tought:
Elementary,High School,College,University,PHD

Expertise:
Accounting,Applied Sciences See all
Accounting,Applied Sciences,Business & Finance,Chemistry,Engineering,Health & Medical Hide all
Teaching Since: May 2017
Last Sign in: 352 Weeks Ago, 5 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 01 Sep 2017 My Price 11.00

Solve the equation,

I need help to answer this q in precalculus for one hour and 30 min

 

QUESTION 1 (4 POINTS)

Question 1 Unsaved

Solve the equation.

3 + 8 ln x = 10

Question 1 options:
A)

 

B)

 

C) {e 7/8}

 

D)

Save

QUESTION 2 (4 POINTS)

Question 2 Unsaved

Write as the sum and/or difference of logarithms. Express powers as factors.

log3

Question 2 options:
A) log36 + log3x

 

B) log3 + log3

 

C) log36x

 

D) log36 + log3x

Save

QUESTION 3 (4 POINTS)

Question 3 Unsaved

Find the exact value of the logarithmic expression.

log81

Question 3 options:
A) 1

 

B) 0

 

C)

 

D) 8

Save

QUESTION 4 (4 POINTS)

Question 4 Unsaved

Solve the equation.

ln  = 2

Question 4 options:
A) {e4 - 2}

 

B) {e4 + 2}

 

C)

 

D) {e2 - 2}

Save

QUESTION 5 (4 POINTS)

Question 5 Unsaved

Write as the sum and/or difference of logarithms. Express powers as factors.

log6

Question 5 options:
A) log6pq - log65

 

B) log6p + log6q - log65

 

C) log6p ∙ log6q ÷ log65

 

D) log6p + log6q - log65

Save

QUESTION 6 (4 POINTS)

Question 6 Unsaved

Find the amount that results from the investment.

$1,000 invested at 9% compounded annually after a period of 4 years

Question 6 options:
A) $411.58

 

B) $1538.62

 

C) $1411.58

 

D) $1295.03

Save

QUESTION 7 (4 POINTS)

Question 7 Unsaved

Solve the equation.

log2(x + 1) = 3

Question 7 options:
A) {7}

 

B) {9}

 

C) {10}

 

D) {8}

Save

QUESTION 8 (4 POINTS)

Question 8 Unsaved

Solve the equation.

log2(3x - 2) - log2(x - 5) = 4

Question 8 options:
A)

 

B) {18}

 

C) {6}

 

D)

Save

QUESTION 9 (4 POINTS)

Question 9 Unsaved

Solve the equation.

e x + 6 = 8

Question 9 options:
A) {ln 8 - 6}

 

B) {e48}

 

C) {e8 + 6}

 

D) {ln 14}

Save

QUESTION 10 (4 POINTS)

Question 10 Unsaved

Find the exact value of the logarithmic expression.

log5 125

Question 10 options:
A) 5

 

B) 15

 

C) 125

 

D) 3

Save

QUESTION 11 (4 POINTS)

Question 11 Unsaved

Express as a single logarithm.

logcx + logcy

Question 11 options:
A) logc(xy)

 

B) logc

 

C) logcxy

 

D) logcx ∙ logcy

Save

QUESTION 12 (4 POINTS)

Question 12 Unsaved

Change the exponential expression to an equivalent expression involving a logarithm.

43/2 = 8

Question 12 options:
A) log84 = 

 

B)  = 4

 

C) log48 = 

 

D) log34 = 

Save

QUESTION 13 (4 POINTS)

Question 13 Unsaved

Solve the equation.

log28 = x

Question 13 options:
A) {4}

 

B) {3}

 

C) {16}

 

D) {10}

Save

QUESTION 14 (4 POINTS)

Question 14 Unsaved

Use the Change-of-Base Formula and a calculator to evaluate the logarithm. Round your answer to three decimal places.

log988.65

Question 14 options:
A) 2.041

 

B) 1.948

 

C) 0.490

 

D) 9.850

Save

QUESTION 15 (4 POINTS)

Question 15 Unsaved

Write as the sum and/or difference of logarithms. Express powers as factors.

log4

Question 15 options:
A) log4(x + 6) -log4x

 

B) log4(x + 6) + 3log4x

 

C) log4(x + 6) - 3log4x

 

D) 3log4x -log4(x + 6)

Save

QUESTION 16 (4 POINTS)

Question 16 Unsaved

Solve the equation.

log (3x) = log 4 + log (x - 3)

Question 16 options:
A) {- 12}

 

B)

 

C) {12}

 

D)

Save

QUESTION 17 (4 POINTS)

Question 17 Unsaved

Change the logarithmic expression to an equivalent expression involving an exponent.

log749 = x

Question 17 options:
A) x7 = 49

 

B) 497 = x

 

C) 7x = 49

 

D) 49x = 7

Save

QUESTION 18 (4 POINTS)

Question 18 Unsaved

Write as the sum and/or difference of logarithms. Express powers as factors.

log5

Question 18 options:
A) log5

 

B) 6log5y - 5log5x

 

C) 5log5x + 6log5y

 

D) 5log5x - 6log5y

Save

QUESTION 19 (4 POINTS)

Question 19 Unsaved

Find the exact value of the logarithmic expression.

ln l

Question 19 options:
A) 1

 

B) e

 

C) 0

 

D) -1

Save

QUESTION 20 (4 POINTS)

Question 20 Unsaved

Find the amount that results from the investment.

$12,000 invested at 10% compounded quarterly after a period of 6 years

Question 20 options:
A) $21,175.33

 

B) $9704.71

 

C) $21,704.71

 

D) $21,258.73

Answers

QuickHelper
(10)
Status NEW Posted 01 Sep 2017 05:09 PM My Price 11.00

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