The expression simplifies to for

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

Problem

The expression

g(x)=\dfrac{x^{2}-1}{x-1}

simplifies to

x+1

for

x\neq1

. Is

g(x)

regarded as a polynomial function on its domain? Explain briefly.