Saturday
September 20, 2014

Homework Help: Math

Posted by Samantha on Friday, February 4, 2011 at 12:00am.

If f(x)= 3/x-4 and g(x)=2x, there is at least one value of x for which the composite function f(g(x)) cannot be evaluated.

What is that value of x? For what value(s) of x is it impossible to evaluate g(f(x))?

How do you figure this out?

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