Multiply and simplify any radicals in your answer. Assume that all variables represent positive real numbers.(5
- 7)2
A. 76 - 70
B. 174 + 70
C. 118 - 70
D. 174 - 70
Answer: D
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Solve the problem.The intensity L(x) of light x ft beneath the surface of a lake satisfies the differential equation . At what depth, to the nearest foot, is the intensity one tenth the intensity at the surface?
A. 49 ft B. 22 ft C. 16 ft D. 33 ft
Solve the problem.Ignoring friction, the time , t (in seconds), required for a block to slide down an inclined plane is given by the formula where b is the length of the base in feet and
per second is the acceleration of gravity. How long does it take a block to slide down an inclined plane with a base of 12 feet at an angle of
Round your answer to three decimal places.
A. 0.361 sec B. 0.885 sec C. 7.104 sec D. 1.252 sec
Add the polynomials.(2a2 - 3a + 6) + (5a - 2)
A. 2a2 + 8a - 4 B. 4a2 + 4 C. 2a2 + 4a + 8 D. 2a2 + 2a + 4
Find the first six terms of the sequence.a1 = 1, an = 2an-1
A. 1, 3, 6, 9, 12, 15 B. 1, 2, 4, 8, 16, 32 C. 0, 3, 3, 6, 9, 12 D. 2, 4, 8, 16, 32, 64