Solve the problem.If cot ? = -8.4, find the value of cot ? + cot (? + ?) + cot (? + 2?).
A. -25.2 + 3?
B. -23.2
C. -25.2
D. undefined
Answer: C
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Replace the # with either ? or ? to express a true statement.88 # {8, 16, 24, 32, ... }
A. ? B. ?
A function f(x), a point x0, the limit of f(x) as x approaches x0, and a positive number ? is given. Find a number 
such that for all x, 0 < 
< ? ? 
< ?.f(x) = -10x + 9, L = -1, x0 = 1, and ? = 0.01
A. 0.002 B. 0.004 C. -0.01 D. 0.001
Solve.Andrea's sleeping bag is designed for camping in temperatures of -8°C or warmer. For what Fahrenheit temperatures is her sleeping bag designed? Round to the nearest tenth of a degree.
A. 17.6° F or warmer B. -36.4° F or warmer C. -22.2° F or warmer D. 43.2° F or warmer
Write the solution set in interval notation.w is smaller than 34 and larger than 2
A. {w|2 > w > 34} B. {w|2 < w < 34} C. {w|2 > w < 34} D. {w|2 ? w ? 34}