Question

I am confused can somebody help me
F ( - 5 ) =

Answer 1

f(- 5) = 57

Explanation:

substitute x = - 5 into f(x) , that is

f(- 5) = 3(- 5)² + 3(- 5) - 3

= 3(25) - 15 - 3

= 75 - 18

= 57

Answer 2

-5f

Explanation: