Question

Given function f(x)=x^2-x+8, find each of the following. f(9) f(-6) f(0)

Answer 1

`f(x)=x^2-x+8`

f(9) - substract x = 9 to the equation of the function:


`f(9)=9^2-9+8=81-9+8=80\\\\f(-6)=(-6)^2-(-6)+8=36+6+8=50\\\\f(0)=0^2-0+8=8`