### Home > PC > Chapter 3 > Lesson 3.1.1 > Problem3-7

3-7.

Sometimes $f\left(kx\right)$ will look like a vertical stretch. Explain why when you look at the graph of $g\left(x\right) = \left(3x\right)^{3}$ it will appear to be stretched.

$g(x) = (3x)^3 = 3^3x^3 = 27 x^3$