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19 April, 08:40

Which is a rational function?

A. y=x^2-x+4

B. 2/x

C. x-3^3/x^2

D. x-5/2

... ?

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Answers (1)
  1. 19 April, 10:47
    0
    A rational function is basically a function which can be defined by a rational fraction, which means that A is definitely not correct.

    I'd say C. x-3^3/x^2 is the correct answer because of all these cubes and squares.
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