The graph of f(x) = ax2 + bx + c is given in the figure. Solve the equation 
A. -4
B. 4
C. 0
D. No real solutions
Answer: D
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Find the extreme values of the function subject to the given constraint.
A. Maximum: 3 at 
minimum: -3 at 
B. Maximum: 3 at 
and 
minimum: -3 at 
and 
C. Maximum: 3 at 
minimum: -3 at 
D. Maximum: 3 at 
minimum: -3 at 
Find the sum of the given infinite geometric series if possible. Write the answer as a decimal number if appropriate.
A. 0.667 B. 1.5 C. 0.5 D. 0.333
Solve the problem.A mechanic is testing the cooling system of a boat engine. He measures the engine's temperature over time. Use a graphing utility to fit a logistic function to the data. What is the carrying capacity of the cooling system?
A. y = 
, 315°F
B. y = 
, 315°F
C. y = 
, 307°F
D. y = 
, 312°F
Use Bayes' rule to find the indicated probability.The incidence of a certain disease on the island of Tukow is 4%. A new test has been developed to diagnose the disease. Using this test, 91% of those who have the disease test positive while 4% of those who do not have the disease test positive (false positive). If a person tests positive, what is the probability that he or she actually has the disease?
A. 0.438 B. 0.487 C. 0.91 D. 0.856