Solve the problem. Assume all variables represent nonnegative real numbers.For f(x) = 7 - 
and g(x) = 3 - 
, find (f ? g)(x).
A. (f ? g)(x) = 21 + 10
- x
B. (f ? g)(x) = 21 - 10x + x2
C. (f ? g)(x) = 21 - 10
+ x
D. (f ? g)(x) = 21 - x2
Answer: C
Mathematics
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A. 
B. 
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A. x2 sin x B. 5x3 + 2x2 - 12 C. e-2x3 D. 3ln(x)
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Graph the function. Give the domain and range.f(x) = 
- 5
A. Domain: (-?, ?); Range: [-5, ?)
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C. Domain: (-?, ?); Range: [5, ?)
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A. 6 B. -12 C. -6 D. 12
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