Two linear functions, y1 and y2, are graphed with their point of intersection indicated. Give the solution set of 
A. 
B. 
C. 
D. 
Answer: D
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Solve the problem.A rectangle with sides parallel to the axes is inscribed in the region bounded by the axes and the line 
Find the maximum area of this rectangle.
A. 
B. 
C. 
D. 
Find the area of the specified region.Inside the outer loop and outside the inner loop of the limacon r = 6 cos ? - 3
A. 
(2? - 3
)
B. 9(? + 3
)
C. 
(4? - 3
)
D. 
(4? + 3
)
Evaluate the integral.
A. - 
?i + 
j + 
k
B. 
i + 
j - 
k
C. 
j + 
k
D. - 
?i + 
j + 
k
Solve the problem.The average height of a boy in the United States, from birth through 60 months, can be modeled by 
where y is the average height, in inches, of boys who are x months of age. What would be the expected difference in height between a child 49 months of age and a child 16 months of age?
A. 10.7 in. B. 8.7 in. C. 48.9 in. D. 20.3 in.