Precalculus Examples

Solve to find the values of that make the expression defined.
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Set up the equation to solve for .
Since does not contain the variable to solve for, move it to the right side of the inequality by subtracting from both sides.
Divide each term by and simplify.
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Divide each term in by .
Reduce the expression by cancelling the common factors.
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Cancel the common factor.
Divide by to get .
Simplify the right side of the equation.
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Divide by to get .
Multiply by to get .
Find the set of inequalities that expresses where is defined.
The domain is all values of that make the expression defined.
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