Question

F(x) = 4x + 3. f(5) = 23. Which number is the input?

A
23

B
5

C
4

D
2

Answer 1

b

Explanation:

Answer 2

B. 5 is the input

Explanation:

f(x) = 4x + 3 f(5) = 23 Plug in 5 for x.

f(x) = 4(5) + 3

f(x) = 20 + 3

f(x) = 23

B. 5 is the input