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17 February, 13:49

If f (z) = - 7 (z+4) - 7 find f (3)

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  1. 17 February, 14:01
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    Let's look at the equation first. We need to find what the output is when z=3.

    -7 (3+4); now, all we need to do is follow the order of operations in order to get the correct answer.

    -7 (3+4) → - 7*7 → - 49-7→-56

    So f (3) = -56
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