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1 August, 20:11

How do you solve f (x) ?

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  1. 1 August, 21:26
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    F (x) = 2x + 3; find f (-1) " (pronounced as "f-of-x equals 2x plus three; find f-of-negative-one"). In either notation, you do exactly the same thing: you plug - 1 in for x, multiply by the 2, and then add in the 3, simplifying to get a final value of + 1
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