Solve the problem.A man on a dock is pulling in a rope attached to a rowboat at a rate of 4 feet per second. If the man's hands are 3 feet higher than the point where the rope is attached to the boat, how fast is the angle of depression changing when there are still d feet of rope out? Give your answer in radians per second in terms of d.
A. 
rads/sec
B. 
rads/sec
C. 
rads/sec
D. 
rads/sec
Answer: B
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Estimate the error in the quadratic approximation of the given function at the origin over the given region.
A. |E(x, y)| ? 0.4122 B. |E(x, y)| ? 0.2748 C. |E(x, y)| ? 0.2061 D. |E(x, y)| ? 0.8244
Solve the problem.Andrea Gilford's savings account has a balance of $453. After 2 years, what will the amount of interest be at 4% compounded quarterly?
A. $42.53 B. $37.53 C. $9.06 D. $28.53
Find the inverse of the invertible matrix.
A. 
B. 
C. 
D. 
Determine independence. Answer Yes or No.The table shows the political affiliation of voters in one city and their positions on stronger gun control laws. ?Stronger Gun Control 
Are party affiliation and position on gun control laws independent?
A. Yes B. No