Evaluate the integral.
x dx
A. x cos-1x - 2
+ C
B. x cos-1x - 
+ C
C. x cos-1x - 
+ C
D. x cos-1x + 
+ C
Answer: C
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Solve the problem.Find the foci and asymptotes of the following hyperbola:4y2 - 25x2 = 100
A. Foci: (
, 0), (-
, 0); Asymptotes: y = 
x, y = - 
x
B. Foci: (
, 0), (-
, 0); Asymptotes: y = 
x, y = - 
x
C. Foci: (0, 
), (0, -
); Asymptotes: y = 
x, y = - 
x
D. Foci: (0, 
), (0, -
); Asymptotes: y = 
x, y = - 
x
Solve for y.7x + 3y = 8
A. y = 
B. y = 
C. y = 11 - 7x
D. y = 7 + 7x
?The graph of f is shown in the figure. Sketch a graph of the derivative of f.
?
?
?
A. ?
B. ?
C. ?
D. ?
E. ?
Solve the problem.The ages of 30 attorneys at a small law firm are as follows: 71, 39, 41, 39, 62 54, 42, 63, 58, 77 55, 40, 41, 54, 82 68, 73, 45, 53, 61 63, 70, 40, 65, 81 64, 49, 51, 48, 52Construct a stem-and-leaf plot display for the data.
What will be an ideal response?