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14-09-2016
Mathematics

contestada

Let f(x) = x − 2 and g(x) = x2 − 7x − 9. Find f(g(−1)?

Respuesta :

14-09-2016

First plug in g(x) in f(x). (x^2-7x-9)-2. Then plug in -1 for x. (-1^2-7(-1)-9)-2. Then solve. 1+7-9-2. 8-11. The answer is -3.

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