Find the area of the shaded region. Write the answer as a polynomial in descending powers of x.
(7x + 10) inches
A. (63x2 + 20x + 100) sq in.
B. (63x2 + 20x - 100) sq in.
C. (63x2 - 70x - 100) sq in.
D. (63x2 + 160x - 100) sq in.
Answer: B
Mathematics
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Solve the problem.Find the volume generated by revolving about the y-axis the area bounded by the curves 2x2 - y2 = 8, x = 5
A. 28?
B. 28?
C. 14?
D. 28?
Mathematics
Express the integrand as a sum of partial fractions and evaluate the integral.
dx
A. 6 ln 
+ ln 
+ 
tan-1 
+ C
B. 5 ln 
+ 
- ln 
+ sin-1 
+ C
C. 6 ln 
- 
+ ln 
+ 
tan-1 
+ C
D. 7 ln 
+ ln 
+ 
tan-1 
+ C
Mathematics
Write the proportion.14 inches is to 15 inches as 42 inches is to 45 inches
A. 
= 
B. 
= 
C. 
= 
D. 
= 
Mathematics
Simplify the complex fraction.
A. -1
B. 0
C. 
D. -9
Mathematics