Determine the area of the surface generated when the curve is revolved about the indicated axis.x = 4y3/2 - 
, for 1 ? y ? 8; about the y-axis
A. 
?
B. 
C. 
?
D. 
Answer: A
Mathematics
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This frequency table gives the distribution of ages of 100 people in a small town. 
How many people are:10 years of age or older
A. 82 B. 93 C. 7 D. 11
Mathematics
Add.
?
?
A. 149 B. 140 C. 151 D. 160 E. 150
Mathematics
Find the equation of the tangent line at the given point on the curve.3x2 + 4xy + y2 + x - 2y = -7; (-1, 3)
A. y = -x + 3 B. x = -1 C. y = -x - 1 D. y = 3
Mathematics
Solve the initial value problem for x as a function of t.(t2 + 5t)
= 5x + 10, x(1) = 1
A. x = 
- 2
B. x = 18 ln
- 2
C. x = 
- 2
D. x = 18t + ln 
- 2
Mathematics