Suppose that y is directly proportional to x. Use the given information to find the constant of proportionality k. Then use y = kx to find y for the given value of x.y = 39 when x = 6;
Find y given x = 12.
A. k = 6.5; y = 78
B. k = 234; y = 
C. k = 6.25; y = 75
D. k = 6.5; y = 90
Answer: A
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The vectors u, v, and w are drawn below. Sketch the given vector. 
u + w
A. 
B. 
C. 
D. 
Convert to an exponential equation.log6 1 = 0
A. 06 = 1 B. 10 = 6 C. 60 = 1 D. 61 = 0
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 = 4
What will be an ideal response?
Find the first term and the common ratio of the geometric sequence.2, 
, 
, 
, . . .
A. a1 = 
, r = 
B. a1 = 2, r = 
C. a1 = 2, r = 
D. a1 = 
, r = 1