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Show that the function f(x) = ex from the set of real
Chapter 1, Problem 28E(choose chapter or problem)
QUESTION:
Show that the function f(x) = ex from the set of real numbers to the set of real numbers is not invertible, but if the codomain is restricted lo the set of positive real numbers, the resulting function is invertible.
Questions & Answers
QUESTION:
Show that the function f(x) = ex from the set of real numbers to the set of real numbers is not invertible, but if the codomain is restricted lo the set of positive real numbers, the resulting function is invertible.
ANSWER:Solution Step 1:We have to show that the function from the set of real numbers to the set of nonnegative real numbers is not invertible,but if the domain is restricted to the set of nonnegative real numbers,the resulting function is invertible