Question

Help me At my Math
Its in the pic​

Answer 1

18 C

19 A

20 C

I am not sure about 16 and 17

Hope it helps

Answer 2

Explanation:

16) B

17) A

18) C

19) f(X ) = -2x² + 5

f(-3) =-2*(-3)² + 5 = -2*9 + 5 = -18 + 5 = -13

Ans: A

19)f(x) = - x² - 1

f(-5) = -(-5)² - 1 = -25 - 1 = -16

Ans: C