Find a linear function whose graph has the given slope and y-intercept.Slope -
, y-intercept 
A. f(x) = x -
B. f(x) = x +
C. f(x) = - x +
D. f(x) = - x -
Answer: C
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Evaluate the integral.
A.
B. 4
C. -
D. - 3
Use the quotient rule to simplify.
A.
B.
C.
D. 5
Solve the problem.A data set consists of 113 test scores. Over a long period it has been found that the mean and standard deviation for these scores are known and that the scores are normally distributed. How many scores within this data set should lie within two standard deviations of the mean? Round your answer to the nearest whole number.
A. 108 B. 77 C. 113 D. 54
Solve. Round to the nearest tenth when necessary.A flagpole casts a shadow of 37 feet, Nearby, a 9-foot tree casts a shadow of 6 feet. What is the height of the flag pole?
A. 1998 ft B. 1.5 ft C. 55.5 ft D. 24.7 ft