Question

In the function f(x) = 3x + 2, f(5) = ________.

Answer 1

`f(x)=17`

Explanation:

`f\left(x\right)\:=\:3x\:+\:2;\:f\left(5\right)`

For f(x)=3x+2, substitute x with 5

`f(x)=3(5)+2`

`f(x)=17`

~

Answer 2

17

Explanation:

In this function, x = 5, so replace the x with 5 in the equation, multiply by 3, add 2, and 17 is the answer.