Identify the pairs of complementary or supplementary angles, as indicated.Supplementary
A. ?AOC & ?AOD; ?AOD & ?DOB; ?DOB & ?COB; ?COB & ?AOC
B. ?AOC & ?AOD; ?AOD & ?DOB
C. ?COB & ?BOD; ?BOD & ?AOD
D. ?AOD & ?COB; ?AOC & ?DOB
Answer: A
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Use the remainder theorem and synthetic division to find P(k).k = -0.5; P(x) = 6x3 - 27x2 - 13x
A. -1 B. 0 C. -2 D. 2
Use NINT on a calculator to find the numerical integral of the function over the specified interval.f(x) = 2tan x ; 
A. -1.7123184 B. 1.28768156 C. -0.28768156 D. 0.28768156
An engineer designs a cable of a suspension bridge that hangs in the form of a parabola, the towers supporting the cable are 360 meters apart. The cable passes over the supporting towers at a height of 80 meters above the roadway and the lowest point of the cable is 10 meters above the roadway. Find the lengths of the vertical supporting rods from the cable to the roadway at intervals 60 meters from the center of the bridge to a supporting tower.
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A. (i) neither (ii) intersecting lines (iii) one solution B. (i) dependent (ii) one line (iii) infinite number of solutions C. (i) inconsistent (ii) parallel lines (iii) no solution