Question

If f(x)=2
`x^(2)`+6x find each of following

(a) f(0)=____
(b) f(-5)=____
(c) f(3)=____

Answer 1

`f(0) = {0}^(2) + 6(0) = 0 \\ f( - 5) = {( - 5)}^(2) + 6( - 5) \\ = 25 - 30 = - 5 \\ f(3) = {(3)}^(2) + 6(3) = 9 + 18 = 27`