Question

What is the decay factor in y = 760(0.75)3?

Answer 1

Decay factor is 0.75.

Explanation:

The given function is

`y=760(0.75)^3` ...(1)

The general form of exponential decay function is

`y=a(1-r)^t` ...(2)

where, a is initial amount, t is the time period, r is decay rate and (1-r) is the decay factor.

On comparing (1) and (2), we get

`a=760, t=3, (1-r)=0.75`

Therefore, the decay factor is 0.75.