Decide whether or not the functions are inverses of each other.f(x) = 
, g(x) = 
A. Inverses
B. Not inverses
Answer: A
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Solve the problem.The northern third of Indiana is a rectangle measuring 96 miles by 132 miles. Thus, let 
Assuming that the total annual snowfall (in inches), S(x,y), at 
is given by the function S(x,y) = 60e-0.001(2x + y) with (x,y) ? D, find the average snowfall on D.
A. 52.06 inches B. 52.44 inches C. 51.78 inches D. 51.14 inches
Evaluate the expression.
A. 6!
B. 1
C. 6
D. 
Subtract. Combine like terms, and write the answer in descending order.9h - (2 - 7h)
A. 16h - 2 B. 16h + 2 C. 2h - 2 D. 2h + 2
Solve the problem.The paired data below consist of the test scores of 6 randomly selected students and the number of hours they studied for the test. The linear model for this data is 
where x is number of hours studied and y is score on the test. Use this model to predict the score on the test of a student who studies 13 hours. 
A. 76.2 B. 81.2 C. 86.8 D. 86.2