Reduce the rational expression to lowest terms.
A. x + 6
B. x - 6
C. 
D. 
Answer: A
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The following table shows the population N of a small town t years after 2000. Use linear regression to model the population as a function of years since 2000. t 2 3 6 7 N 2852 3038 3703 3982
What will be an ideal response?
Solve the problem.
Karen is driving a delivery truck on a straight road. The graph shows the distance y in kilometers that Karen is from Store A after x hours. (i) Is Karen traveling toward or away from Store A? (ii) Find the slope of the line.
A. Toward; slope is -15. B. Away; slope is 60. C. Toward; slope is -30. D. Away; slope is 15.
Write the new function.The linear function f(x) = 437x + 3420 provides an approximation of the annual cost (in dollars) of health insurance for a family of three, where 
represents 1989, 
represents 1990, and so on. Write a new function, g(x), that yields the same f(x)-values when the exact year number is entered.
A. g(x) = 437(1989 - x) + 3420 B. g(x) = 437(1988 - x) + 3420 C. g(x) = 437(x - 1988) + 3420 D. g(x) = 437(x - 1989) + 3420
Find the domain of the logarithmic function.f(x) = log5(x + 7)
A. (5, ?) B. (7, ?) C. (-?, 0) ? (0, ?) D. (-7, ?)