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Mathematics 21 Online
OpenStudy (anonymous):

Given the function f(x) = 6(x+2) − 3, solve for the inverse function when x = 21

OpenStudy (anonymous):

1. let f(x)=y 2. switch x and y 3. rearrange the equation in terms of y 4. y=f(x) 5. solve f(x) when x= 21 or substitute the value of x by 21

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