Question

If you vertically stretch the exponential function f(x)=2^x by a factor of 3 what is the equation of the new function

Answer 1

The new equation will become f(x) = 3($2^{x}$).

The given information is the stretch factor which is 3 and the equation f(x)=$2^{x}$.

When there is a vertical strecth factor, you need to multiply the equation by the stretch factor.

By stretching the function, the value of y has to be multiplied by 3, will now be equal to 3f(x)

The new equation will become f(x) = 3($2^{x}$).

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