15. Let A = { -1, 0, 1, 2 }, B = {-4, -2, 0, 2} and be functions defined by and . Are f and g equal ? Justify your answer . (Hint: One may note that two functions and such that , are called equal functions).
15. Let A = { -1, 0, 1, 2 }, B = {-4, -2, 0, 2} and be functions defined by and . Are f and g equal ? Justify your answer . (Hint: One may note that two functions and such that , are called equal functions).
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