Question

If f(x) =-x squared +2x find f(3)-7

Answer 1

-10

Explanation:

f(x) = -x^2+2x,

Let x =3

f(3) = - (3)^2 +2(3)

= -9 +6

= -3

Now we want to find

f(3)-7

-3 -7

-10