Find the domain of f(x).f(x) = 
A. {x? x is a real number and x ? 5}
B. {x? x is a real number and x ? 6}
C. {x? x is a real number and x ? -6}
D. {x? x is a real number and x ? -5}
Answer: D
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Solve the problem.Scores on a certain test have been found to be distributed normally with a mean of 73 and a standard deviation of 14. What is the standard error in the standard deviation for all samples of 195 test scores?
A. 0.709 B. 0.036 C. 1.003 D. 3.696
Answer the question.Mark begins with three dollars and his money doubles in value for each of seven days. Marvin begins with thirty dollars and adds fifty dollars to his account for each of seven days. Monty begins with five hundred dollars and withdraws twenty dollars from his account for each of seven days. Who has the most money at the end of seven days?
A. Mark B. Marvin C. Mark and Marvin D. Monty
Solve the equation.e4x = 6
A. 
B. {4 ln 6}
C. 
D. 
Solve the problem.A local pharmacy has 10 bottles of certain antibiotic, with each bottle containing 90 pills. Find the total number of antibiotic pills.
A. 100 pills B. 90 pills C. 900 pills D. 910 pills