Question

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

Answer 1

Answer:

b

Step-by-step explanation:

Answer 2

B. 5 is the input

Step-by-step 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