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Category > Engineering Posted 15 Sep 2017 My Price 15.00

Need help with exponential functions

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.

Which system of equations can be used to find the exponential function that passes through the points $(2, \frac{25}{4})$ ) and $(\frac{4, 625}{4})$ ?

a. 2 = a(25/4)^b

4 = a(625/4)^b

b. 25/4 = ab^2

625/4 = ab^4

c. 25/4 = a(2)^b

625/4 = a(4)^b

d. 2 = ab^(25/4)

4 = ab^(625/4)

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

2 = a(10)^b

8 =a(25)^b

10 = a(2)^b

25 = a(8)^b

2 = ab^10

8 = ab^25

10 = ab^2

25 = ab^8

Complete the sentence with the best answer.

A power model should be used to model data if:

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

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

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

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

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

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

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

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

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

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

Which exponential function goes through the points $(1, \frac{1}{2})$ and $(3, \frac{3}{8})$ ?

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

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

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

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

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

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

a. $y equals 1.19 x to the power of 1.96 end exponent$

b. $y equals 0.32 x to the power of 1.46 end exponent$

c. $y equals 2.19 x to the power of 0.86 end exponent$

d. $y equals 0.42 x to the power of 0.81 end exponent$

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

a. $y equals 4.39 x to the power of 0.48 end exponent$

b. $y equals 0.04 x to the power of 2.99 end exponent$

c. $y equals 6.58 x to the power of 0.33 end exponent$

d. $y equals 21.28 x to the power of 0.48 end exponent$

Answers

QuickHelper

(10)

Status NEW Posted 15 Sep 2017 04:09 PM My Price 15.00

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