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Earn +20 ptsQ: A rational function is a function whose equation contains a rational expression?
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A rational function is a function whose equation contains?
a rational expression.
If the equation of a function is a rational expression the function is rational?
True
If the equation of a function is a rational expression is the function rational?
Yes. Rational functions must contain rational expressions in order to be rational.
An expression which contains polynomials in both the numerator and denominator?
rational expression
Why can't the denominators of rational expressions be zero How can we find the domain of a rational function?
Rational expressions are fractions and are therefore undefined if the denominator is zero; the domain of a rational function is all real numbers except those that make the denominator of the related rational expression equal to 0. If a denominator contains variables, set it equal to zero and solve.
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