Question

If f(x) = 2x − 9 and g(x) = x2 + 3, what is (f + g)(4)? (1 point)

Group of answer choices

a. 18

b. 20

c. −19

d. −20

Answer 1

a. 18

Explanation:

(f+g)(4) = f(4) + g(4)

= 2(4) - 9 + 4² + 3

= 8 - 9 + 16 + 3

= -1 + 16 + 3

= 15 + 3

= 18