Answer:
17
Step-by-step explanation:
f(5)=3(5)+2. f(5)=17
f(x) =3x^2 + 2x - 1
what is f(5)
f(5) = 3(5)² + 2(5) - 1
f(5) = 75 + 10 - 1
f(5) = 84