Question

How can you tell the difference between a vertical strecth and a vertical shrink?

Answer 1

mmmhh, if your shirt stretches, doesn't it get longer and if your shirt shrinks, doesn't it get smaller ?

Answer 2

That helps somewhaaat.c:
In terms of Algebra?

Answer 3

graph:
y = x^2 vs y = 3x^2 vs y = (1/2)x^2 and see what happens