Question

I need help with 3b2-b b=5

Answer 1

Answer:

$f(x) = 3 {b}^{2} - b \\ f(5) = 3 {(5)}^{2} - 5 \\ f(5) = 3(25) - 5 \\ f(5) =7 5 - 5 \\ \boxed{f(5) = 70}$

• f(5) = 70 is the right answer.