Question

1. f(x) = 2x + 4 when x = 5

Answer 1

14

Explanation:

Ignore the f(x) for now.

x is 5, so we plug it in to get 2*5+4. Using PEMDAS, you multiply 2 and 5 to get 10 and add 4 to get 14.

Answer 2

f(5)=14

Explanation:

f(5)=2(5)+4

f(5)=10+4

f(5)=14