Which of the following is NOT a function?
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1 mark, −0.33MathematicsSets, relations and functionsFunctions: domain, range and compositionEasyabout 1 min
UoH 2012 Question 36: Sets, relations and functions
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Which of the following is NOT a function? (A) Y = -2x + 7 (B) Y² = X (C) Y = X² (D) Y = X
Sets, relations and functions has come up 65 times in 6 exams since 2004.
What this question tests
This question is on Functions: domain, range and composition, part of Sets, relations and functions in Mathematics.
What makes a rule a function, its domain and range, composition and graph transformations.
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