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18 April, 21:28

What's the rate of change of y=4x+7?

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Answers (2)
  1. 18 April, 21:40
    0
    Since this is a linear equation the rate of change or velocity is constant. Take the derivative of y with respect to x ...

    dy/dx=4

    This is commonly called the slope of the line. All lines because they are straight have a constant velocity.
  2. 18 April, 21:50
    0
    The slope/growth is 4.

    Y = 4x+7

    Figure 0 / y intercept = 7

    The slope / growth = 4
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