Perform the indicated operations and simplify. Assume all variables represent positive real numbers.
+ 3
+ 5
A. 33x
B. 8x
C. 8x
D. 33x
Answer: A
Mathematics
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Solve the problem.Find the mass of a thin plate bounded by 
if 
.
A. 
B. 
C. 
D. 
Mathematics
For the given functions f and g , find the indicated composition.f(x) = x2 + 1, g(x) = x2 + 3(f?g)(x)
A. x4 + 4 B. x4 + 6x2 + 10 C. x4 + 2x2 + 4 D. x4 + 10
Mathematics
Multiply. Write the answer as a mixed number as needed.7
× 
A. 7
B. 6
C. 4
D. 4
Mathematics
Solve the problem.The stock market gained 60 points on Tuesday and lost 12 points on Wednesday. Find the difference between these changes.
A. -72 points B. 72 points C. -48 points D. 48 points
Mathematics