For real parameter

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

Problem

For real parameter kk, consider the function f(x)=1x−kf(x)=\dfrac{1}{x-k}. Which of the following correctly describes its domain? (a) all real xx except x=0x=0 (b) all real xx except x=kx=k (c) all real xx (d) all real xx except x=−kx=-k

Related theory

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