Simplify the given expression. Expansion of any term is not necessary; proper recognition of the form of the expression leads to the proper result.8 cos 4x sin 4x
A. 2 sin 4x
B. 4 sin 4x
C. 4 sin 8x
D. 8 sin 8x
Answer: C
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State whether the distribution appears to be (roughly) normal.
A. Not normal B. Normal
Use exponential regression to provide an approximate model for the following data. Round your answer to two decimal places. t 1.45 3.71 6.03 8.93 11.16 y 3.89 5.85 10.90 24.16 45.18?
A. 
B. ?
C. ?
D. ?
Solve.A machinist receives a sketch of a part she must make as shown. If the indicated angle NOP is precisely half of angle NOQ, find ? NOQ. 
A. 30°55'8" B. 32°5'12" C. 31°45'28" D. 29°50'6"
Analyze the graph of the given polar curve. Include the following information: If possible, describe the shape of the graph (circle, rose curve, limacon, etc.), and state the domain, range, and maximum r-value of the graph. State whether the graph is continuous and whether it is bounded. Describe any symmetry that the graph has. Give the equations of any asymptotes or state that the graph has no asymptotes.r = 1 - 4 sin 4?
What will be an ideal response?