Graph the pair of parametric equations with the aid of a graphing calculator.x = t - sin t, y = 1 - cos t, -4? ? t ? 4?
A. 
B. 
C. 
D. 
Answer: B
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Identify the pair of lines as appearing to be parallel, perpendicular, or intersecting.
A. Parallel B. Intersecting C. Perpendicular
Provide an appropriate response.Define f(0,0) in a way that extends f(x, y) = 
to be continuous at the origin.
A. f(0, 0) = 2 B. f(0, 0) = 1 C. No definition makes f(x, y) continuous at the origin. D. f(0, 0) = 0
Perform the indicated clock arithmetic.4 
11 (12-hr clock)
A. 12 B. Does not exist C. -7 D. 5
Use the rule of total probability to find the indicated probability.Among students at one college are 3924 women and 3026 men. The following table provides relative-frequency distributions for subject major for males and females at the college. MajorRelative frequencyRelative frequencyfor womenfor menHumanities0.19?0.16Science0.305?0.332?Social Science0.133?0.165?Other0.372?0.343A student is selected at random from the college. Determine the probability that the student is a science major.
A. 0.320 B. 0.319 C. 0.317 D. 0.172