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12 July, 22:34

Which of the following is a decreasing function?

A. y = 7 • 3x

B. y = 7 • 0.3x

C. y = - 7 • 0.3x

D. y = 0.7 • 3x

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Answers (1)
  1. 13 July, 02:13
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    C. y=-7 (0.3x) = - 2.1x

    a function is decreasing if the slope (or number in front of x) is negative
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