How many subsets and proper subsets are in the given set?

A. 127, 126
B. 128, 129
C. 64, 65
D. 128, 127


Answer: D

Mathematics

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Decide whether the composite functions, f ? g and g ? f, are equal to x.f(x) =  , g(x) = x5 + 12

A. No, no B. No, yes C. Yes, yes D. Yes, no

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Tell whether the graph of the function opens up or down.P(x) = x2 - 6x + 9

A. up B. down

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Graph the inequality.y < -1

A.

B.

C.

D.

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