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13-01-2018
Mathematics

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Given the relation y = –4x² – 8, if the input is 2, what is the output?

(An explanation would be helpful.)

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tynollette tynollette

13-01-2018

input is the value of x, output is the value of y
when the input is 2, that is, when x is 2, y=-4(2)²-8=-16-8=-24
the output is -24 when the input is 2

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