Simplify. Assume that all variables represent nonnegative numbers.
A. 84
B. 24
C. 14
D. 12
Answer: C
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Describe the graph of the polar equation.r = -6 csc ?
A. Vertical line through (-6, 0) B. Line through origin with slope -6 C. Horizontal line through (0, -6) D. Circle of radius 6 centered at origin
Evaluate the integral.
A. 
ln 
B. ln 
C. 
ln 
D. e6/5
Provide an appropriate response.How many real solutions are possible for a system of equations whose graphs are a line and a circle?
A. 0, 1, or 2 solutions B. 0, 1, 2, or 3 solutions C. 1, 2, or 3 solutions D. 1 or 2 solutions
Determine if the argument is valid or invalid. Give a reason to justify answer.If I'm hungry, then I will eat.I'm not hungry. ? I will not eat.
A. Invalid by fallacy of the converse B. Invalid by fallacy of the inverse C. Valid by the law of detachment D. Valid by the law of contraposition