f(x)=5x+2, find f(3)

Question

A.13
B.15
C.12
D.17

Answer 1

To find \( f(3) \) for the function \( f(x) = 5x + 2 \), we can substitute \( x \) with 3 in the equation:

\[ f(3) = 5(3) + 2 \]

Calculating this:

\[ f(3) = 15 + 2 = 17 \]

So, \( f(3) = 17 \).

The correct answer is D. 17.