Solve the problem.For children aged 5 to 15 years, the number of hours watching cartoons per week can be estimated by the function 
where s is the age of the child. Find the domain of the function.
A. (-?, ?)
B. [0.5, 16]
C. [11, 16]
D. [5, 15]
Answer: D
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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 = 
Choose the most reasonable unit of measure.Area of a cross-section of a drinking glass: 21 
(mm2, cm2, m2, km2)
A. cm2 B. m2 C. mm2 D. km2
Find the slope of the line determined by the given equation and then sketch the line.2x - 3y = -5
A. slope = 
B. slope = - 
C. slope = 
D. slope = - 
Solve the problem. Round your answer to the nearest tenth, when appropriate.A grasshopper is perched on a reed 5 inches above the ground. It hops off the reed and lands on the ground about 5.4 inches away. During its hop, its height is given by the equation 
, where x is the distance in inches from the base of the reed, and h is in inches. How far was the grasshopper from the base of the reed when it was 4.5 inches above the ground?
A. 0.4 in. B. 0.5 in. C. 3.5 in. D. 5.4 in.