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02-06-2017
Mathematics

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

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02-06-2017

(-2) -1
-3

(-1)-2-7(-1)-9
-2+7-9
5-9
-4

-3+-4=-7

(f(g(x))=-7

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