Solve the problem.When a ball is thrown upward at a speed of 22 m/s, its height h above the ground (in meters) after t seconds is given by the algebraic expression 
Find the height of the ball after 3 seconds.
A. 51.3 m
B. 61.1 m
C. 21.9 m
D. 36.6 m
Answer: C
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Compute the difference. Express answer in simplest form.
- 
A. 
B. 
C. 
D. 
Solve the problem.Several years ago, a large city undertook a major effort to encourage carpooling in order to reduce traffic congestion. The accompanying table shows the number of carpoolers, in thousands, from 2007 to 2012. Use regression to obtain a function src="https://sciemce.com/media/4/ppg__rer0516192143__f1q117g4.jpg" style="vertical-align: -15.0px;" />
A. f(x) = 4.29 + 5.14 ln x
B. f(x) = 4.33 + 5.17 ln x
C. f(x) = 4.40 + 5.32 ln x
D. f(x) = 4.22 + 5.25 ln x
that models the data, where 
corresponds to 2007, 
to 2008, and so on. Round the constants a and b to the nearest hundredth.
Solve for x. Check your answer. If there is no solution, say so.
= 
A. x = 25.6 B. x = 12.8 C. x = 1.28 D. x = 128
The displacement d (in meters) of an object at time t (in seconds) is given. Describe the motion of the object. What is the maximum displacement from its resting position, the time required for one oscillation, and the frequency?d = 8 - 5 cos (?t)
A. simple harmonic; 8 m; 2 sec; 
oscillation/sec
B. simple harmonic; 5 m; 
sec; 2 oscillations/sec
C. simple harmonic; -5 m; 2 sec; 
oscillation/sec
D. simple harmonic; 5 m; 2 sec; 
oscillation/sec