Question

For f(x) = 4x+1, what is the output for the input 5?

Answer 1

Answer: f(x) = 21 .The output is 21 when the input is 5.

Step-by-step explanation:

f(x) = 4x+1  Substitute the input, 5, for x on the right side   f(x) is the equivalent of  y, the output you are looking for

f(x) = 4(5) + 1

f(x) = 20 +1

f(x) = 21