38.)
option H
F(3) = 13
39.)
option C
40.)
{-4 , 8}
38.
f(3)
= 5(3) - 2
= 15 - 2
= 13
39.
5x - 20 = 0
=> 5x = 0 + 20
=> 5x = 20
=> x = 20/5
=> x = 4
3.4m questions
4.3m answers