Find the following.Find -(-x) when x = -0.919.
A. 0
B. 0.919
C. -0.919
D. -1
Answer: C
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Find the median for the data given.Number of video tapes borrowed each day: 70, 90, 284, 242, 350, 384
A. 202.5 video tapes B. 263 video tapes C. 284 video tapes D. 242 video tapes
Solve the problem.A hiker wants to know the height of a cliff. She finds that the angle of elevation from her current position to the top of the cliff is 24.6°. She then hikes 171 feet towards the cliff (in a straight line) and finds that the angle of elevation from her new position is 57.6°. How tall is the cliff? Round your answer to the nearest hundredth of a foot when necessary.
A. 110.35 ft B. 115.47 ft C. 112.65 ft D. 106.9 ft
In right triangle ?CAT,?C is the right angle.Then
(a) (TA)(sin A) = CT. (b) (TA)(cos T) = CT. (c) (TA)(sin T) = CA. (d) (a), (b) and (c) are correct. (e) (a), (b) or (c) is correct
Solve the problem.Given f(x) = x3 + 3x2 - 3x - 5, find f(-6).
A. 100 B. -95 C. -90 D. 31