21-06-2017
Mathematics

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What is inverse of the function f(x)=x+3

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mreijepatmat mreijepatmat

21-06-2017

f(x) = y = x+3, Consider y=x+3. You just switch x and y:
so y= x+3, becomes x=y+3. Once done, you isolate y:
x=y+3 or y = x-3. This this the inverse function of f(x)

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