Question

F(x)=-3x^2+9x-8 Find f(5)

Answer 1

-3(5)^2+9(5)-8

answer:

-38

Answer 2

-38

Explanation:

You replace the x with 5.

turns it into -3 (5)^2+9(5)-8

-3(25)+45-8

-75+45=-30-8=-38