Solve the problem.If a person puts 1 cent in a piggy bank on the first day, 2 cents on the second day, 3 cents on the third day, and so on, how much money will be in the bank after 50 days?
A. $25.50
B. $0.50
C. $6.38
D. $12.75
Answer: D
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Solve the problem.Find the volume generated by revolving about the y-axis the area bounded by the curves:x2 - 4y2 = 4, x = 5
A. 
?
B. 7?
C. 14?
D. 2?
Let U = {all soda pops}; A = {all diet soda pops}; 
and 
Describe the given set in words.A ? B ? D
A. All soda pops not in cans B. All diet, caffeine-free, cola soda pops C. All diet, caffeine-free, cola soda pops in cans D. All diet, all cola, and all caffeine-free soda pops
Simplify the expression by combining like terms.3z + 3 + 7z - 6
A. 13z B. 10z - 3 C. -4z + 9 D. 10z + 9
The average speed of a vehicle on a stretch of Route 134 between 6 a.m. and 9 a.m. on a typical weekday is approximated by the function
?
?
where 
is measured in miles per hour and 
is measured in hours, with 
corresponding to 6 a.m. Find the interval where 
is decreasing and the interval where 
is increasing.
?
A. 
is increasing on 
is decreasing on 
B.
is increasing on is decreasing on 
C.
is increasing on 
is decreasing on 
D.
is increasing on 
is decreasing on
E.
is increasing on 
is decreasing on