Question

How does the graph of y = 2 · 2x compare to the graph of the parent?

Answer 1

This can be also written as y=-2x+2

First of all the - at the beginning = reflection across the x axis.

Then the first 2 is a vertical stretch of 2

the second 2 is a translation of 2 units up.

So

1.ref. across the x axis

2.vert. stretch of 2

3. translation of 2 units up