If the function is one-to-one, list the inverse function by switching coordinates or inputs and outputs.f = {(5, 5), (-5, -5), (8, 1), (-8, -1)}
A. f-1 = {(5, 5), (-5, -5), (1, 8), (-1, -8)}
B. f-1 = {(-1, 8), (-5, -5), (5, -5), (1, -8)}
C. not one-to-one
D. f-1 = {(-1, 8), (8, -5), (5, 5), (1, -8)}
Answer: A
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C. 
radians
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