Solve the problem.Jay drove 385 kilometers at the average rate of 77 kilometers per hour. How long did the trip take?
A. 5 hr
B. 
hr
C. 6 hr
D. 4 hr
Answer: A
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Using the Divergence Theorem, find the outward flux of F across the boundary of the region D.F = x
i + y
j + z
k ; D: the thick cylinder 1 ? x2 + y2 ? 3 , 
A. 
?
B. 
?
C. 
?
D. 208?
Provide an appropriate response.Identify which of the following properties apply to the graph of 
I. The y-intercept is 1. II. The x-intercepts are of the form 
, where n is an integer. III. The function obtains a relative minimum at 
where n is an integer. IV. The function is decreasing on the interval 
.
A. I, III, and IV B. I and III C. II and III D. I and IV
Verify the identity.sin 
= cos ?
What will be an ideal response?
Solve the problem.Two pipes can be used to fill a pool. Working together, the two pipes can fill the pool in 
The larger pipe can fill the pool in 4 hours less time than the smaller pipe can alone. Find the time to the nearest tenth of an hour it takes for the smaller pipe working alone to fill the pool.
A. 8.7 hr B. 4.7 hr C. 4.6 hr D. 8.6 hr