Question: Let f(x) = ax + b with a 0. (a) Show that f -1 is also linear by finding f -1 (x). (b) How

Let f(x) = ax + b with a ≠ 0. 

(a) Show that f-1 is also linear by finding f-1(x). 

(b) How is the slope of the graph of f related to the slope of the graph of f-1?

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