Determine whether or not the function is one-to-one.
A. Yes
B. No
Answer: A
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Sketch the indicated set. Describe the boundary of the set. Finally, state whether the set is open, closed or neither.{(x, y) : -2 ? x ? 0, 0 ? y ? 2 + x}
A. 
The boundary is the triangle with vertices
(0, 0), (-2, 0), (0, -2). The set is open.
B. 
The boundary is the triangle with vertices
(0, 0), (2, 0), (0, 2). The set is open.
C. 
The boundary is the triangle with vertices
(0, 0), (2, 0), (0, 2). The set is closed.
D. 
The boundary is the triangle with vertices
(0, 0), (-2, 0), (0, 2). The set is closed.
Use a CAS integration utility to evaluate the triple integral of the given function over the specified solid region.
over the rectangular solid 
, 
, 
A. - 3840
B. - 
C. - 1280
D. - 640
Solve the problem.Two cars leave an intersection. One car travels north; the other east. When the car traveling north had gone 9 miles, the distance between the cars was 3 miles more than the distance traveled by the car heading east. How far had the eastbound car traveled?
A. 15 miles B. 18 miles C. 9 miles D. 12 miles
For the given function f(x), find f-1(x). State the domain of f-1(x).f(x) = (x - 10)2 + 2 (x ? 10)
A. f-1(x) = 
+ 10, x ? 2
B. f-1(x) = 
- 10, x ? -2
C. f-1(x) = 2x2 + 10, x ? 0
D. f-1(x) = 
- 2, x ? -10