Solve.A promotional deal for phone service charges a $15 basic fee plus $0.05 per minute for all calls. If Joe's phone bill was $48 under this promotional deal, how many minutes of phone calls did he make? Round to the nearest integer, if necessary.
A. 660 min
B. 2 min
C. 1260 min
D. 7 min
Answer: A
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Solve the problem.Does the graph of the function y = 4x + 2 sin x have any horizontal tangents in the interval 
If so, where?
A. Yes, at x = 
B. Yes, at x = 
, x = 
C. No
D. Yes, at x = 
, x = 
Solve the problem.A figure skater must trace a figure eight on the ice that consists of two perfect circles, each with a radius of 9 ft. How far does the skater go in tracing the figure eight?(Use 3.14 for ? .)
A. 28.26 ft B. 113.04 ft C. 26.26 ft D. 56.52 ft
Find the exact value of the expression.sin 25° cos 35° + cos 25° sin 35°
A. 
B. 
C. 
D. 
For the functions f(x) and g(x), determine the domain of (f/g)(x) (the quotient of f and g).f(x) = 3x - 5 , g(x) = 
A. {x ? x is a real number and x ? -10}
B. 
C. 
D. {x ? x is a real number}