Solve the problem.The owner of a video store has determined that the cost C, in dollars, of operating the store is approximately given by 
where x is the number of videos rented daily. Find the lowest cost to the nearest dollar.
A. $781
B. $660
C. $478
D. $599
Answer: B
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Find the exact value of the expression without the use of a calculator.sin 195° + sin 165° + sin 210°
A. -0.5 B. -1 C. 0.5 D. 0
Solve the problem.
= 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 y = 10,000 when t = 0. Solve the differential equation of y when f(t) = -21t.
A. y = -1050t - 52,500 - 42,500e.02t B. y = 1050t + 52,500 - 42,500e-.02t C. y = -1050t + 52,500 - 42,500e-.02t D. y = 1050t + 52,500 - 42,500e.02t
Provide an appropriate response. Which type of statistical graph best shows how different data items relate to each other?
A. bar B. line C. circle D. table
Write the expression with only positive exponents and evaluate if possible. Assume all variables represent nonzero real numbers.
A. 2y + 
x - 4
B. 2y - 
x + 4
C. 2y + 
x + 4
D. 2y - 
x - 4