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Which is a rational function? A. y=sqrt x-3 B. y=5 C. y=x^2-3x+5 D. y=x-5/x
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5 votes
Which is a rational function?

A. y=sqrt x-3
B. y=5
C. y=x^2-3x+5
D. y=x-5/x

User Sulthan
by
8.4k points

2 Answers

3 votes
I would say D. because a rational function is a fraction and has the property that both its numerator and denominator are polynomials. In other words, R(x) is a rational functio.
User Petrogad
by
8.6k points
4 votes
i believe its D. y=x-5/x

User Casevh
by
7.6k points
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