SOLUTION: find the domain of y=4/2x+7

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Question 879288: find the domain of y=4/2x+7

Answer by jim_thompson5910(35256)   (Show Source): You can put this solution on YOUR website!
I'm assuming the equation is

If so, then set the denominator equal to zero to get and solve for x to get

This x value of makes the denominator equal to zero.

You CANNOT divide by zero. It is undefined.

So to avoid division by zero, we must restrict that x cannot equal . So we say

Any other real number works for x.

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Answer:

The domain is the set of real numbers but

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