14-09-2020
Mathematics

contestada

M(x)=x^2-3x
N(x)=x-5

MN(-1)= ?

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

Respuesta :

edifante edifante

14-09-2020

Answer:

d. -24

Step-by-step 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

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