Solve the problem.The time of a telephone call (in minutes) to a certain town is a continuous random variable with a probability density function defined by 
for 
Find the probability that the call lasts more than 2 minutes.
A. 0.9375
B. 0.0625
C. 0.1250
D. 0.8125
Answer: B
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Find the limit.
A. 4
B. 
C. -2
D. 0
Provide an appropriate response.Suppose you are looking for an item in an ordered list one million items long. Which would be better, a sequential search or a binary search? Why?
What will be an ideal response?
Provide an appropriate response.If the trinomial 
is a perfect square, what can we conclude about the equationax2 + bx + c = 0?
A. The equation has no real solutions. B. The equation has one rational solution. C. The equation has one irrational solution. D. The equation has two rational solutions.
Solve the problem.The information in the chart below gives the salary of a person for the stated years. Model the data with a linear function using the points (1, 24,500) and 
Then use this function to predict the salary for the year 2006. 
A. $37,900 B. $37,880 C. $37,940 D. $37,920