Which of the following polynomials tends to as and to as ?

MATHEMATICS · Single correct · AP · AP Precalculus · Polynomial and Rational Functions · Polynomial and Rational Functions

Problem

Which of the following polynomials tends to +∞+\infty as x→+∞x\to+\infty and to −∞-\infty as x→−∞x\to-\infty? (a) −9x7+7x5-9x^7+7x^5 (b) 3x6−x3x^6-x (c) 5x7−2x35x^7-2x^3 (d) −2x7+10-2x^7+10

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