Which function represents a vertical stretch of an exponential function?
-
rx)=3()
f(x) = 1 / (3) *
f(x) = (3) 2x

A.

Step-by-step explanation:

The options are:

For this exercise it is important to remember that, by definition, the Exponential parent functions have the form shown below:

Where "a" is the base.

There are several transformations for a function f(x), some of those transformations are shown below:

1. If   and  , then the function is stretched vertically by a factor of "b".

2. If    and , then the function is  compressed vertically by a factor of "b"

Therefore, based on the information given above, you can identify that the function that represents a vertical stretch of an Exponential function, is the one given in the Option A. This is:

Where the factor is:

And

answer: 2x + 2 − 2 = 10 − 2; subtraction property of equality

step-by-step explanation:

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