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30 July, 16:35

If f (x) = x2+2x+1 find f (-4)

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  1. 30 July, 16:47
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    This is really easy once you know what to do. You just have to put in whatever is in the parentheses for f, so in this case f (-4).

    It should look like this - - 2 (-4) + 2 (-4) + 1

    So the answer should be - 15
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