Solve the equation.
(x + 6) = 
(x + 8)
A. {3}
B. -4
C. -12
D. 4
Answer: D
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Determine if the sequence is monotonic and if it is bounded.an = 
A. decreasing; unbounded B. nondecreasing; bounded C. nondecreasing; unbounded D. not monotonic; unbounded
Graph the function.Sketch two cycles of the radio signal 
(e is in volts, f in hertz, and t in seconds) for a station broadcasting with 
("95" on the AM radio dial.) Label the point on the horizontal axis which represents the end of the second cycle.
A. 
B. 
C. 
D. 
Prove the identity.
= 2 cot2x - csc2x
What will be an ideal response?
Solve the problem.ABC phone company charges $20 per month plus 5¢ per minute of phone calls. XYZ phone company charges $10 per month plus 7¢ per minute of phone calls. How many minutes of phone calls in a month make XYZ phone company the better deal?
A. More than 50 minutes B. Less than 500 minutes C. More than 500 minutes D. Less than 50 minutes