Solve the problem.The formula A = 221e0.031t models the population of a particular city, in thousands, t years after 1998. When will the population of the city reach 321 thousand?
A. 2012
B. 2010
C. 2013
D. 2011
Answer: B
Mathematics
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Arrange slopes from flattest to steepest.
Mathematics
Solve for the indicated variable.w = 
, for x
A. x = w + z - y B. x = y + wz C. x = w - zy D. x = y - wz
Mathematics
Evaluate the integral.
A. -ln
+ 
ln
- 3 tan-1(sin t) + C
B. -ln
+ 
ln
- 3 tan-1 t + C
C. -ln
+ 
ln
+ C
D. ln
- ln
- 5 tan-1(sin t) + C
Mathematics
Draw a complete graph so that it has the given type of symmetry.Symmetric with respect to the y-axis
A. 
B. 
C. 
D. 
Mathematics