Find the product.(9p + 10)(9p - 10)
A. p2 - 100
B. 81p2 + 180p - 100
C. 81p2 - 100
D. 81p2 - 180p - 100
Answer: C
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Find the area of the surface generated when the given curve is revolved about the x-axis. y = 
on 
A. ? B. 9? C. 7? D. 8?
Evaluate the line integral along the curve C.
ds, C is the curve r(t) = (3 sin 4t)i + (3 cos 4t)j + 5tk, 2 ? t ? 4
A. 
B. 
C. 
D. - 
Graph the rational function.f(x) = 
A. 
B. 
C. 
D. 
Solve the problem. First use front end rounding. Then find the exact answer.The table shows the approximate price for several items that Tracy would like to purchase as gifts for her friends. How much will she need to spend in order to purchase a jacket, a coffee mug, a tee shirt, and basket of assorted nuts and candy?
A. Estimate: $110; exact: $99 B. Estimate: $100; exact: $112 C. Estimate: $110; exact: $114 D. Estimate: $110; exact: $112