Find the domain of the composite function f?g.f(x) = 3x + 6;g(x) = 
A. [0, ?)
B. (-?, -2] or [0, ?)
C. (-?, ?)
D. [-2, ?)
Answer: A
Mathematics
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Evaluate the integral which is given in cylindrical or spherical coordinates.
A. 
?
B. 
?
C. 
?
D. 
?
Mathematics
Solve the problem. Assume all variables represent nonnegative real numbers.For f(x) = x + 
and g(x) = x - 
, find (f ? g)(x).
A. (f ? g)(x) = x2 + 5
B. (f ? g)(x) = x2 - 2x
- 5
C. (f ? g)(x) = x2 - 5
D. (f ? g)(x) = x2 - 2x
+ 5
Mathematics
Solve the equation.
= 
A. no solution
B. 
C. 
D. 
Mathematics
Determine if the sequence is decreasing or nondecreasing and if it is bounded or unbounded from above.an = 
A. Decreasing; unbounded B. Decreasing; bounded C. Nondecreasing; unbounded D. Nondecreasing; bounded
Mathematics