Find the inverse to the function

label Algebra
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f(x) = 5x+2

Dec 11th, 2014

Change f(x) to y

y = 5x + 2

Switch y and x

x = 5y + 2

solve for y

x-2=5y

y = (x-2)/5 

change y to f-1(x)

f-1(x) = (x-2)/5

Hope this helps!

Dec 11th, 2014

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