Question

Is y=28(0.438)^8 growth or decay

Answer 1

It is decay, growth would mean that the number in brackets is greater than 1.

Answer 2

decay

Explanation:

y=28(0.438)^8

This is in the form

y = a b^x

a is the initial value and b is the rate of growth or decay

since b < 1 the function is decaying