Is x+4/x^3-4x a function?

2007-01-30 14:01:16 · 2 answers · asked by Ashley 2 in Science & Mathematics ➔ Mathematics

f(x)=(4/x^3)-3x
it is a function but it is not a polynomial

2007-01-30 14:09:02 · answer #1 · answered by iyiogrenci 6 · 0⤊ 0⤋

Yes, this is a function. The test is this: for every value of x is there one and only one value of y.

2007-01-30 22:10:22 · answer #2 · answered by tval_friedly 2 · 0⤊ 0⤋

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