Evaluate the integral.
A. cos-1 (x + 4) + C
B. 
+ C
C. sin-1 (x + 4) + C
D. -sin-1 (x + 4) + C
Answer: C
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Solve the equation.
= x2 + 7x
A. 0, -8 B. 0, -6 C. 0, -8, -6 D. -8, -6
Solve the rational inequality.
> 
A. (-43, -1) ? (-1, 6) B. (-43, -1) ? (6, ?) C. (-?, -43) ? (-1, 6) D. (-?, -43) ? (6, ?)
Make a line graph of the data.The number of female runners F in a small town marathon during year x
A. 
B. 
C. 
D. 
Solve the problem.A balloon in the shape of a sphere is deflating. Given that t represents the time, in minutes, since it began losing air, the radius of the balloon (in cm) is 
Let the equation V(r) = 
?r3 represent the volume of a sphere of radius r. Find and interpret (V ? r)(t).
A. (V ? r)(t) = 
?(t - 23)3; This is the volume of the balloon (in cm3) as a function of time (in minutes).
B. (V ? r)(t) = 
?(23 - t)3; This is the volume of the balloon (in cm3) as a function of time (in minutes).
C. (V ? r)(t) = 23 - 
?(23 - t)3; This is the volume of the air lost by the balloon (in cm3) as a function of time (in minutes).
D. (V ? r)(t) = 
?(23 - t)3; This is the volume of the air lost by the balloon (in cm3) as a function of time (in minutes).