Question

M(x)=x^2-3x

N(x)=x-5

MN(-1)= ?

A.18
B.-20
C.-22
D. -24

Answer 1

d. -24

Explanation:

M(-1)=(-1)^2-3(-1)

M(-1)=1+3

M(-1)=4

N(-1)=-1-5

N(-1)=-6

MN(-1)=(4)(-6)

MN(-1)=-24