Solve the problem.The average price (in dollars) to rent a studio in a certain city can be approximated by the equation 
where t is the number of years since 1990. Solve this equation for t and use the new equation to determine approximately what year it will be when the average price of a studio in this city reaches $1138.40.
A. 2012
B. 2014
C. 2011
D. 2013
Answer: C
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Solve the problem.If 5 apples in a barrel of 25 apples are rotten, what is the expected number of rotten apples in a random sample of 2 apples?
A. 
B. 1
C. 
D. 
Find an equation of the tangent line to the curve 
at the point (4,1).
a. y = –1.11x + 17 b. y = –1.11x + 3.43 c. y = 1.11x + 5.43 d. y = –1.11x + 5.43 e. None of these
Solve the problem.As one approaches a certain sound source, the sound intensity in arbitrary units increases according to the following function of time (in seconds):F(t) = - 
.Starting at t = 0, when the source of sound is first sensed, how much time elapses until maximum sound intensity is felt? Round the result to the nearest hundredth.
A. 0.44 sec B. 42.53 sec C. 25.15 sec D. 2.53 sec
Use the Intermediate Value Theorem to determine whether the polynomial function has a real zero between the given integers.f(x) = 2x3 - 10x - 3; between 2 and 3
A. f(2) = -7 and f(3) = 21; yes B. f(2) = -7 and f(3) = -21; no C. f(2) = 7 and f(3) = -21; yes D. f(2) = 7 and f(3) = 21; no