Decide whether the composite functions, f ? g and g ? f, are equal to x.f(x) = x2 + 5 , g(x) = 
- 5
A. No, no
B. Yes, no
C. Yes, yes
D. No, yes
Answer: A
Mathematics
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A. z2 + 11z + 11 B. z2 + 11z + 24 C. 2z + 24 D. 2z2 + 24
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Calculate the amount of simple interest earned. ? $2,000 at 9% for 6 years ? $__________
Fill in the blank(s) with the appropriate word(s).
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Find the product.-7(2x - 8)
A. -14x + 56 B. 2x + 56 C. -14x - 8 D. 42x
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