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28 October, 03:00

Select linear or nonlinear for each function.

1. y = 2^2 - 5x

2. y = x/3

3. y = x^3 + 1/3

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Answers (2)
  1. 28 October, 03:05
    0
    2 linear

    1,3 nonlinear
  2. 28 October, 03:20
    0
    First, let's look at y=15.

    If you graph this, this is just a horizontal line with a y value of 15.

    Thus, the first function is linear.

    Next, let's look at

    Notice that this function has an x to a power of 3.

    Since this power is greater than 1, this cannot be linear.

    Thus, the second function is nonlinear.

    Finally, let's look at y=11+5x.

    Let's change the order of the 11 and 5x.

    We get y=5x+11.

    This function is in the form of y=mx+b, which is the slope-intercept form of a line (where m is the slope and b is the y-intercept).

    Thus, the last function is linear.
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