Functions Basic mac1105 help

Hi  friend how are you?

I need some assistance with my MAC1105 home work on mymathlab. There is one question I dont understand and I need for you to simplfy the problem. I understand everything up to section:

E. F(-2)=

    f(2)=

I dont understand how tio find the missing function values. Could you clarify this problem for me please.

I pay you $3 see attachement below for full problem.