Question

If f(x) = 3x + 2, what is f(5)?

Answer 1

If a numbed substitutes x in f (x), you must substitute that number in the function for x.

Explanation:

f(5) = 3(5) + 2

f(5 )= 17

Answer 2

If X is 5
Then f(5) = 3(5) + 2
= 17