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1 vote
Which module is not a function?

Which module is not a function?-example-1

2 Answers

5 votes
Choice C is not a function. The input of x = 2 leads to more than one output (y = -2, y = -1, y = 0, y = 1, y = 2). In order to have a function, any given input must have exactly one output. The other answers choices A, B, D represent this.
User Clayton Rothschild
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3 votes
C would be your answer for this one my friend ☺
User Waleed Muaz
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