Homework Help: Algebra

Posted by Nicole on Friday, April 20, 2012 at 6:18pm.

Use the function to answer the question.
f(x)=1/4-x
For what value in the domain is the function undefined? Explain your answer.

Algebra - Damon, Friday, April 20, 2012 at 6:41pm
I assume you actually mean
1/(4-x)

this denominator is zero when x = 4 so the function is undefined when x = 4

The way you wrote it means
(1/4) - x which is defined for all real x
Algebra - Nicole, Friday, April 20, 2012 at 7:18pm
Oh sorry about that. Can you explain what undefined means and what domain means?

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