Analyzing Tables — Unit test Answers
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A coordinate plane with a line passing through (negative 4, 3), (0, 1), and (4, negative 1).
A
f(x) = –2x + 1B
f(x) = –x + 1
C
f(x) = x + 1D
f(x) = 2x + 122
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A line is drawn through (–4, 3) and (4, 3). Which describes whether or not the line represents a direct variation?
A
The line represents a direct variation because = .
B
The line represents a direct variation because it is horizontal.C
The line does not represent a direct variation because it does not go through the origin.D
The line does not represent a direct variation because –4(3) ≠ 4(3).23
The depth of snow after n hours of a snowstorm is represented by the function f(n + 1) = f(n) + 0.8 where f(0) = 2.5. Which statement describes the sequence of numbers generated by the function?
A
The depth of snow was 0.8 inches when the storm began, and 2.5 inches after the first hour of the storm.B
The depth of snow was 1.7 inches when the storm began, and 0.8 inches of snow fell each hour.C
The depth of snow was 2.5 inches when the storm began, and increased by 0.8 inches each hour.D
The depth of snow was 3.3 inches when the storm began, and 2.5 inches of snow fell in 1 hour.Did you find these answers helpful?
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