Decide whether or not the functions are inverses of each other.f(x) = 3x - 3, g(x) = 
x + 1
A. No
B. Yes
Answer: B
Mathematics
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Describe the conditions under which the statement is true.A ? B = A
A. B ? A B. A ? B C. Always true D. B = ?
Mathematics
At one high school, the mean time for running the 100-yard dash is 
with a standard deviation of 0.9 seconds. The times are normally distributed.Find the percent of times that are between 15.2 and 16.1 seconds.
A. 34% B. 50% C. 68% D. 13.5%
Mathematics
Write the percent as a decimal.
%
A. 0.4725 B. 0.0545 C. 0.4775 D. 4.7075
Mathematics
Use a proportion to solve the problem.The ratio of the height to the width of a packaging label is 5 to 19. If the height of the label is 1.5 inches, what is its width?
A. 6.5 inches B. 0.4 inch(es) C. 5.7 inches D. 20.5 inches
Mathematics