Use the graph of population change per year for a metro area to answer the question. 
In which two years did the population of the metro area increase?
A. 1998 and 1999
B. 1999 and 2000
C. 1997 and 2001
D. 2000 and 2001
Answer: B
Mathematics
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Simplify and add or subtract wherever possible.
+ 4
+ 6
A. -26
B. -98
C. 90
D. -90
Mathematics
Find the indefinite integral.
?
?
Hint: First, make the substitution 
; then, integrate by parts.
What will be an ideal response?
Mathematics
Find the slope of the line.
A. 2
B. 
C. - 
D. - 2
Mathematics
Solve the problem.The voltage E in an electrical circuit is given by E = 4.7 cos 80?t, where t is time measured in seconds. Find the frequency of the function (that is, find the number of cycles or periods completed in one second).
A. 
B. 80
C. 
D. 40
Mathematics