Solve the problem.The ocean surface is at 0 ft elevation. A diver is underwater at an elevation of -110 ft near a rock formation. In this area, the ocean floor has an elevation of -285 ft. The rock formation rises to a peak 232 ft above the ocean floor. How many feet below the top of the rock formation is the diver?
A. 122 ft
B. 175 ft
C. 57 ft
D. 53 ft
Answer: C
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Find the first three nonzero terms of the Maclaurin series for the given function and the values of x for which the series converges absolutely.f(x) = cos x - 
A. -6 + 7x + 
x2 + ..., -1 < x < 1
B. -6 - 7x - 
x2 - ..., -1 < x < 1
C. -6 - 7x + 
x2 - ..., -1 < x < 1
D. -6 - x - 
x2 - ..., -1 < x < 1
Answer the question.In the 1980s, the population of Pleasanton decreased by 10%. In the 1990s, its population increased by 20%. How does the population of Pleasanton at the end of the 1990s compare with its population in 1980?
A. It is 12% higher. B. It is 8% higher. C. It is 10% higher. D. It is 30% higher.
Solve the problem.A satellite dish is shaped like a paraboloid of revolution. The signals that emanate from a satellite strike the surface of the dish and are reflected to a single point, where the receiver is located. If the dish is 8 feet across at its opening and is 2 feet deep at its center, at what position should the receiver be placed?
What will be an ideal response?
Write out the first five terms of the sequence.an = n2 - n
A. 0, 2, 6, 12, 20 B. 2, 6, 12, 20, 30 C. 0, 3, 8, 15, 24 D. 1, 4, 9, 16, 25