Solve the inequality. Express your answer using interval notation.|x + 8| + 6 ? 13
A. [-15, -1]
B. [15, 13]
C. (-?, -15) or (-1, ?)
D. no solution
Answer: A
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A. 14 B. 15 C. 16 D. 18 E. 13
Solve the problem.Without graphing, determine the amplitude and period of the function 
A. Amplitude = 10
Period = ?
B. Amplitude = 10
Period = 
C. Amplitude = 5
Period = 
D. Amplitude = 5
Period = 
Solve the problem.The surface area of a right circular cylinder is given by 2?rh + 2?r2 where h is its height and r is the radius of the circular base. The surface area of a right circular cone having the same base radius, r, is given by ?rs + ?r2 where s is its slant height. Write the ratio of the surface area of the cylinder to the surface area of the cone in simplest form.
A. 
B. 
C. 
D. 
Sketch the graph of the polar equation.r sec ? = -6
A. 
B. 
C. 
D. 