05-06-2019
Mathematics

contestada

Which function has an inverse that is a function?
b(x) = x2 + 3
d(x) = -9
m(x) = -7x
p(x) = 1x1

Respuesta :

Leukonov Leukonov

05-06-2019

Answer is option C.

m(x) = -7x

This is a bijective function.

Here for everyvalue of theres is only one and one unique value of y.

And hence its inverse will also be a function.

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