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Mathematics, 13.11.2020 02:20 leslya1455213

Let f = {(2,5), (-3,7), (0,6), (-9,0)} and g = {(0,-3), (2,6), (7,-9), (5,0)} Which is not true?

A. (fog)(2) is not defined

B. (gof)(2) = 0

C. (fog)(5) = 6

D. (gof)(-3) = -9

E. None of them are correct

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Let f = {(2,5), (-3,7), (0,6), (-9,0)} and g = {(0,-3), (2,6), (7,-9), (5,0)} Which is not true?
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