Find all numbers for which the rational expression is not defined.
A. a = 7
B. None
C. a = 0
D. a = -7
Answer: A
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Solve the problem.dy/dt = ky + f(t) is a population model where y is the population at time t and f(t) is some function to describe the net effect on the population. Assume k = .02 and 
when t = 0. Solve the differential equation of y when f(t) = -19t.
A. y = 950t + 47,500 - 37,500e.02t B. y = -950t - 47,500 - 37,500e.02t C. y = 950t + 47,500 - 37,500e-.02t D. y = -950t + 47,500 - 37,500e-.02t
Find the acceleration of an object for which the displacement s (in m) is given as a function of the time t (in s) for the given value of t.s = 
, t = 1 s
A. - 
ft/s2
B. - 
ft/s2
C. 
ft/s2
D. 
ft/s2
Simplify.i26
A. -1 B. 1 C. -i D. i
Find the asymptote(s) of the given function.g(x) = 
horizontal asymptotes(s)
A. y = 2 B. y = 8 C. y = -5 D. None