Mathematics Homework Solutions
#276685
Function f: R --> R defined by f(x) = x3 - 5
Consider the following function f: R --> R defined by f(x) = x3 - 5 .
(a) Use the contrapositive to explain (no proof necessary) that f is a one-to-one function.
(b) Find f -1.
(c) Compute f o f.
Finding inverse of a function. Proving that the function is one-to one. Computing the composition between a function and itself.
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