Question

2. y = 55.(1 – 0.02)'
A. Does this function represent exponential
growth or exponential decay?

Answer 1

the tale-tell part of an exponential expression will be the "rate" or namely the part inside the parentheses, if the rate is less than 1, is Decay, if it's more than 1 is Growth.

(1 - 0.02) => 0.98, and 0.98 is less than 1, thus is Decay.