1.

Which of the following statements are correct?1. (fog)(x) = f(x)2. (gog)(x) = g(x) only when x = 03. (go(fog))(x) can take only three values.Select the correct answer using the code given below:

A. 1 and 2 only
B. 2 and 3 only
C. 1 and 3 only
D. 1, 2 and 3
Answer» D. 1, 2 and 3


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