Find the points of inflection.f(x) = 2x3 + 3x2 - 12x
A. 
B. 
C. 
D. No points of inflection exist
Answer: B
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Find the volume of the indicated region.the region bounded by the paraboloid 
and the cylinder 
A. 27?
B. 
?
C. 
?
D. 108?
Use the method of natural frequencies to find the indicated probability.3.1% of a population are infected with a certain disease. There is a test for the disease, however the test is not completely accurate. 94.7% of those who have the disease test positive. However 3.9% of those who do not have the disease also test positive (false positives). A person is randomly selected and tested for the disease. What is the probability that the person has the disease given that the test result is positive?
A. 0.563 B. 0.777 C. 0.031 D. 0.437
Solve the equation.4x ? 16 = 256x
A. 
B. 
C. {4}
D. {-4}
Solve the problem.During one year, the Larson's real estate bill included $557 for local schools. Of this amount, $260 went to the high school district. What percent did the Larsons pay to the high school district? Round your answers to the nearest tenth, if necessary.
A. 53.3% B. 46.5% C. 46.7% D. 14,482%