william123466 william123466

10-06-2021
Mathematics

contestada

Let r(x)=x^2.If r(x)=4,find x
A.2
B.-2
C.4
D.Both 2 and -2 are correct
E.None of these choices are correct

Respuesta :

snunezh20 snunezh20

10-06-2021

the answer should be D

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