Mathematics
Mathematics, 14.10.2019 19:20, KaNala

Which equation does not represent a function? why? a) y = x2; there are two outputs for each input. b) y2 = 4x; there are two outputs for each input. c) y = x; the output value is the same as the input value. d) y = −x; the output value is the opposite of the input value.

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