The graph of a quadratic function is given. Determine the function's equation.
A. j(x) = (x - 2)2 - 2
B. h(x) = (x - 2)2 + 2
C. g(x) = (x + 2)2 - 2
D. f(x) = (x + 2)2 + 2
Answer: B
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Solve.A 16-foot ladder is leaning against a house with the base of the ladder 4 feet from the house. How high up the house does the ladder reach? Round to the nearest tenth of a foot.
A. 15.5 ft B. 15.7 ft C. 12 ft D. 16.5 ft
Use an annuity table to solve the problem. Round to the nearest cent.$765.13 is deposited at the beginning of each month for 4 years in an account paying 12% interest compounded monthly. Find the amount in the account.
A. $44,856.77 B. $48,076.82 C. $47,311.69 D. $46,078.12
Perform the indicated operations.
A. 
B. - 
C. - 
D. 
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