Question

what is the f(5) for the function f(x)=3x+6

Answer 1

Answer:

21

Step-by-step explanation:

$f(x)=3x+6 \\ \\ plug \: x = 5 \\ \\ f(5)=3(5)+6 \\ \\ f(5)=15+6 \\ \\ f(5)=21$

Answer 2

I think it 21! But I’m not 100%