Decide whether the relation defines a function.
A. Not a function
B. Function
Answer: A
Mathematics
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Solve the problem.The logarithmic function f(x) = -200 + 88 ln x models the number of visitors (in millions) to U.S. museums from 1960 to 2010, where x is the number of years since 1960. Is this function increasing or decreasing?
A. increasing B. decreasing
Mathematics
Solve the problem.The value of a building decreased from $769,000 to $691,000 over the past decade. What was the average annual change in value?
A. $780 B. -$780 C. -$7800 D. $7800
Mathematics
Plot the ordered pair in the coordinate plane. In which quadrant or on which axis does the point lie?(-4, 5)
A. Quadrant III
B. Quadrant IV
C. Quadrant I
D. Quadrant II
Mathematics
Use the region R to evaluate the double integral.
RR bounded by 0 ? x ? y, 1 ? y ? 3
A. 
B. 
C. 
D. 
Mathematics