Express the following in interval notation.
A. (-3, 1)
B. [-3, 1]
C. (-3, 1]
D. [-3, 1)
Answer: C
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The following table shows the U.S. population, in millions, in the given year.
19601970198019902000
179.32203.3226.54248.71281.42?
Calculate the average rate of change from 1980 to 1990.
A. 2.22 million people per year B. 22.17 million people per year C. 1731.40 million people per year D. None of the above
Find the derivative of the function by first expanding or simplifying the expression. f(x) = 
A. f'(x) = 10x B. f'(x) = 5 C. f'(x) = 1 D. f'(x) = x + 9
Solve the problem. 3xy = z2 x - y + z = 3x2 + y2 - 2z2 = -72
A. {(3, 9, 9), (-3, -9, 9)} B. {(3, 9, 9), (9, 3, 9)} C. {(-3, -9, 9), (9, 3, 9)} D. {(3, 9, 9), (-9, -3, 9)}
Write the equation of the line with the given slope and y-intercept.Slope- 
; y-intercept is 
A. y = 
x - 
B. y = - 
x + 
C. y = 
x + 
D. y = - 
x - 