Need with this problem, 16 points for it.

Let f(x) = ak^x  

f(0) = 1 = a  

f(5) = 4 = k^5  

k = 4^(1/5)  

f(x) = 4^(x/5) = 2^(2x/5)  

Exponential function

Hope this helps :)

whatever you can spend with $11.53 or under.

step-by-step explanation:

20 - 8.47 = 11.53. take away the money he used for lunch from the starting amount of 20.

33

step-by-step explanation: g=6