Solve the compound inequality. Express the solution using interval notation. Graph the solution set.5x < 25 and x + 5 > 4
A. (-?, -1) ? (5, ?)
B. (-1, 5)
C. [-1, 5]
D. ?
Answer: B
Mathematics
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Find the slope of the polar curve at the indicated point.r = -4 - 2 cos ?, ? = 
A. 
B. 2
C. - 2
D. - 
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Solve the problem.In 1980, the population of a city was 5.8 million. By 1992 the population had grown to 7.6 million. Find the average rate of change in the population.
A. 
million per year
B. 
million per year
C. 
million per year
D. 
million per year
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A value of sinh x or cosh x is given. Use the definitions and the identity 
to find the value of the other indicated hyperbolic function.cosh x = 
, x < 0, csch x =
A. - 
B. 
C. - 
D. - 
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Find the midpoint of the segment with the given endpoints.(7, -2) and (0, 5)
A. 
B. 
C. 
D. 
Mathematics