(a) State the three possible relationships between the degrees of two non-zero…

MATHEMATICS · Subjective · AP · AP Precalculus · Polynomial and Rational Functions · Polynomial and Rational Functions

Problem

(a) State the three possible relationships between the degrees of two non-zero polynomials P(x)P(x) and Q(x)Q(x) that determine the behaviour of the quotient P(x)Q(x)\dfrac{P(x)}{Q(x)} as x→∞x \to \infty. (b) Give an algebraic justification for the case in which deg⁡P<deg⁡Q\deg P < \deg Q. Take deg⁡P=m\deg P = m and deg⁡Q=n\deg Q = n with m<nm<n and show, by suitable manipulation of the quotient, that the limit is zero. (c) Construct one explicit example for each of the three cases mentioned in part (a) and write the corresponding limit in each case.

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