Question

Not sure how to do thisss,,, help!

Answer 1

It’s 4 and 13....................

Answer 2

Answer:

4 and 13

Step-by-step explanation:

(a)

To evaluate f(3) substitute x = 3 into f(x), that is

f(3) = 3 + 1 = 4

(b)

To evaluate gf(3) substitute f(3) = 4 into g(x), that is

g(4) = 4² - 3 = 16 - 3 = 13