Question #51e91

1 Answer
Anirudh E.
Nov 20, 2017

#1#.

Explanation:

A function #f(x)=-4# has the domain of all real numbers. So no matter what value of #x# you substitute for #x# into #f(x)=-4#, the function will always be equal to #-4#. Therefore, any real number would work.

I hope that helps!

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