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Domain and Range of Rational Functions
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ACCUPLACER
AAF.107 Domain and Range of Rational Functions
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Use the graph shown: a restricted rational-function branch with an endpoint and one hole. Which domain and range are correct? The underlying curve is f(x) = -12/(x + 2) + 3.
A
Domain: x >= 2, x != 5; Range: all real y except y = 9/7 and y = 3
B
Domain: x >= 2, x != 5; Range: 0 <= y < 3, y != 9/7
C
Domain: x >= 2, x != 5; Range: 0 <= y < 3
D
Domain: x >= 2; Range: 0 <= y < 3, y != 9/7
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