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29 July, 20:16

What is the value of f (-4) in the piecewise function f (x) = - x-5 for - 5< = x < = - 2; - x^2+1 for - 2<=x<=2; (x-3) ^2+2 for 2<=x<=4? If that makes any since

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  1. 29 July, 23:26
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    We first need to pick the correct piece to use. In this case, we will use f (x) = - x-5 because - 5<=-4.

    Then, we use direct substitution:

    f (-4) = - (-4) - 5

    f (-4) = - 1
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