QuickHelper

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About QuickHelper

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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

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  • Corportae Manager
    ChevronTexaco Corporation
    Feb-2009 - Nov-2016

Category > Engineering Posted 23 Aug 2017 My Price 15.00

exponential functions, math

Accurately answer all questions. Double check all work.

Complete the sentence with the best answer.

An exponential model should be used to model data if:

A scatter plot of ln y versus ln x fits a linear pattern.

A scatter plot of y versus ln x fits a linear pattern.

A scatter plot of y versus x fits a linear pattern.

A scatter plot of ln y versus x fits a linear pattern.

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Which system of equations can be used to find the exponential function that passes through the points left parenthesis 2 comma space bevelled 25 over 4 right parenthesis) and left parenthesis bevelled fraction numerator 4 comma space 625 over denominator 4 end fraction right parenthesis?

2 equals a left parenthesis bevelled 25 over 4 right parenthesis to the power of b 4 equals a left parenthesis bevelled 625 over 4 right parenthesis to the power of b

bevelled 25 over 4 equals a b squared bevelled 625 over 4 equals a b to the power of 4

bevelled 25 over 4 equals a left parenthesis 2 right parenthesis to the power of b bevelled 625 over 4 equals a left parenthesis 4 right parenthesis to the power of b

2 equals a b to the power of bevelled 25 over 4 end exponent 4 equals a b to the power of bevelled 625 over 4 end exponent

------------------------------

Which system of equations can be used to find the power function that passes through the points (2, 10) and (8, 25)?

2 equals a left parenthesis 10 right parenthesis to the power of b 8 equals a left parenthesis 25 right parenthesis to the power of b

10 equals a left parenthesis 2 right parenthesis to the power of b 25 equals a left parenthesis 8 right parenthesis to the power of b

2 equals a b to the power of 10 8 equals a b to the power of 25

10 equals a b squared 25 equals a b to the power of 8

====================

Complete the sentence with the best answer.

A power model should be used to model data if:

A scatter plot of ln y versus ln x fits a linear pattern.

A scatter plot of ln y versus x fits a linear pattern.

A scatter plot of y versus ln x fits a linear pattern.

A scatter plot of y versus x fits a linear pattern.

-------------------------------

Which table of values shows ln y versus x for the data below?

http://www.intervisualtechnology.us/data/1/16903/u9l5q6a.JPG

http://www.intervisualtechnology.us/data/1/16902/u9l5q6b.JPG

http://www.intervisualtechnology.us/data/1/16901/u9l5q6c.JPG

http://www.intervisualtechnology.us/data/1/16900/u9l5q6d.JPG

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Which of the following exponential models can be used to model the data below?

y equals 2.49 left parenthesis 1.12 right parenthesis to the power of x

y equals 2.4 left parenthesis 1.5 right parenthesis to the power of x

y equals 9.25 left parenthesis 4.6 right parenthesis to the power of x

y equals 9.71 left parenthesis 1.55 right parenthesis to the power of x

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Which exponential function goes through the points left parenthesis 1 comma bevelled 1 half right parenthesis and left parenthesis 3 comma bevelled 3 over 8 right parenthesis? 

y equals 0.32 left parenthesis 1.15 right parenthesis to the power of x

y equals 810 left parenthesis 0.01 right parenthesis to the power of x

y equals 0.58 left parenthesis 0.87 right parenthesis to the power of x

y equals 0.05 left parenthesis 64 right parenthesis to the power of x

=====================

Which of the following tables of values shows ln y versus ln x for the data points below?

http://www.intervisualtechnology.us/data/1/16291/U9L5Q8A.jpg

http://www.intervisualtechnology.us/data/1/16292/U9L5Q8B.jpg

http://www.intervisualtechnology.us/data/1/16293/U9L5Q8C.jpg

http://www.intervisualtechnology.us/data/1/16296/U9L5Q8D.jpg

 

 

============================

Which of the following power models can be used to model the data below?

y equals 1.19 x to the power of 1.96 end exponent

y equals 0.32 x to the power of 1.46 end exponent

y equals 2.19 x to the power of 0.86 end exponent

y equals 0.42 x to the power of 0.81 end exponent

==================

Find a power function that passes through the points (2.9, 9.4) and (7.3, 12.8). 

y equals 4.39 x to the power of 0.48 end exponent

y equals 0.04 x to the power of 2.99 end exponent

y equals 6.58 x to the power of 0.33 end exponent

y equals 21.28 x to the power of 0.48 end exponent

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Answers

QuickHelper
(10)
Status NEW Posted 23 Aug 2017 08:08 PM My Price 15.00

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