Question

Pls help A.S.A.P need now!!!!!!!!!!!!!!!!!!!

Answer 1

replace x with 4 and solve it

Answer 2

40

Explanation:

Put 4 where x is and evaluate.

... f(4) = 3·4² -2·4

... f(4) = 3·16 - 8

... f(4) = 48 - 8 = 40