Four students suggested different sets of points for sketching the complete graph of

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

Problem

Four students suggested different sets of points for sketching the complete graph of y=1xy=\dfrac{1}{x}. Which student's set contains suitable points for both branches of the curve? (a) {(−1,−1),(−2,−12),(−4,−14)}\{(-1,-1),(-2,-\tfrac12),(-4,-\tfrac14)\} (b) {(1,1),(2,12),(4,14)}\{(1,1),(2,\tfrac12),(4,\tfrac14)\} (c) {(1,1),(−2,−12),(12,2),(−12,−2)}\{(1,1),(-2,-\tfrac12),(\tfrac12,2),(-\tfrac12,-2)\} (d) {(2,1),(1,2),(−1,1)}\{(2,1),(1,2),(-1,1)\}

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