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09-08-2017
Mathematics

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Let f(x) = 7x − 13. Find f−1(x).

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mreijepatmat mreijepatmat

10-08-2017

f(x) = 7x − 13
To find f(-x) , just replace x with -x:

f(-x) = 7(-x) - 13

f(-x) = -7x -13

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