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9 December, 09:45

If the equation of a function is y = x2 - 5, what is the output when the input is - 1? A) - 6

B) - 5

C) - 4

D) - 3

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  1. 9 December, 09:55
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    The answer is C) - 4.

    Substitute - 1 for x in your function and evaluate:

    y = x2 - 5

    y = (-1) ^2 - 5

    y = 1 - 5

    y = - 4

    Your output is - 4, when the input value is - 1.
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