Question

Evaluate each function at the given value.

f(x)=10x2x at x=4

Answer 1

just plug 4 into x

f(x) = 10*2x
f(4) = 10*2(4)

The answer would be 80

Answer 2

well if X=4 10*2*4=80
10*2=20
20*4=80
there for your answer would be 80 hope this helps