Question

F(x) = 3x + 2
What is f(5)?

Answer 1

`\huge\boxed{f(5)=17}`

Explanation:

`f(x)=3x+2\\\\f(5)=?\\\\\text{substitute}\ x=5\ \text{to}\ f(x):\\\\f(5)=3(5)+2=15+2=17`

Answer 2

17

Explanation:

3(5) + 2 = 15 + 2

= 17

Therefore x= 17