(3) Determine wether the following a function or not and for functions check if if the function is one to one or onto. (a) Let f: R→ R and f(x) = 2x - 7 (b) Let f: R → R+ and f(x) = 1 - 3x² (c) Let f: Z→ Z and f(x) = x² +6
(3) Determine wether the following a function or not and for functions check if if the function is one to one or onto. (a) Let f: R→ R and f(x) = 2x - 7 (b) Let f: R → R+ and f(x) = 1 - 3x² (c) Let f: Z→ Z and f(x) = x² +6
Chapter3: Functions
Section3.7: Inverse Functions
Problem 2SE: Why do we restrict the domain of the function f(x)=x2 to find the function's inverse?
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