PLEASE HELP! Part 1. Using the two functions listed below, insert numbers in place of the letters a, b, c, and d so that f(x) and g(x) are inverses.
X+a
g(x)=cx-d
Part 2. Show your work to prove that the inverse of f(x) is g(x).
Part 3. Show your work to evaluate g(f(x)).
Part 4. Graph your two functions on a coordinate plane. Include a table of values for each function. Include five values for each function. Graph the line y = x on the same graph.

80 the answer is 80

step-by-step explanation:

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you must wait until 2 people answer to award brainliest. i'm pretty sure that it should be next to the "" and "comments" buttons.