Question

Find the decay factor from the function y = 500(0.75)

Answer 1

The form of the decay function is

`y=a(b)^x`

Where a is the initial amount

b is the decay factor

In the given function

`y=500(0.75)^x`

a = 500

b = 0.75

Then the decay factor is 0.75

The answer is the first choice