Question: For each function, determine whether it is one-to-one, and if the function is one-to-one, find a formula for its inverse. a. f (x) = -

For each function, determine whether it is one-to-one, and if the function is one-to-one, find a formula for its inverse.
a. f (x) = - 2 / x
b. f (x) = 3 + x2

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