Decide whether the composite functions, f ? g and g ? f, are equal to x.f(x) = 
, g(x) = x5 + 15
A. No, yes
B. No, no
C. Yes, yes
D. Yes, no
Answer: C
Mathematics
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A. -40 B. -2 C. 40 D. 2 E. 4
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Write an equivalent expression. Use a commutative law.y + 3
A. y3 B. 3 + y C. 3(y + 1) D. 3y
Mathematics
Find the dot product for the pair of vectors.i + 3j, 8i - j
A. 5 B. -5 C. 11 D. 0
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Perform the necessary operations.-5 + 2 - (-16) + 1
A. -18 B. 14 C. -22 D. 12
Mathematics