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17 February, 15:07

Given the relation y = 3x ^2 + 1, if the input is 4, what is the output?

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  1. 17 February, 15:11
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    Use the substitution method

    y=3^2+1

    3 (4) ^2+1

    Do the bracket first

    3 (4) (4) + 1

    3 (16) + 1

    Multiply again

    48+1

    =49

    Answer: 49
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