Margle's cell phone plan has a service fee of $10 per month and charges $0.05 per minute used. Margle wrote the given expression
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The inverse of the function f(x) = 2x - 10 is f-1(x) would be x/2 + 5.
Lets try to solve it,
We will be using the inverse function to solve this.
f(x) =
Replace f(x) with y.
Interchange x and y
Solve for y
Replace y with f-1(x).
Thus, the inverse of the function f(x) = 2x - 10 is f-1(x) = x/2 + 5
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