Respuesta :

Using the given absolute value function, we have that:

1. The x-intercepts are (5.75,0) and (6.25).

2. The y-intercept is (0, 138).

3. The vertex is (6,-6).

4. The range is [-6, ∞).

5. The negative range of values of x is 5.75 < x < 6.25 = (5.75, 6.25). (I think there is a mistake in the formulation of this item).

6. x -> ∞, y -> ∞.

What is the absolute value function?

The absolute function is defined by:

  • |x| = x, x ≥ 0.
  • |x| = -x, x < 0.

It measures the distance of a point x to the origin.

For this problem, the function is defined as follows:

f(x) = 8(|3x - 18|) - 6

The x-intercepts are the values of x when f(x) = 0, hence:

8(|3x - 18|) - 6 = 0

|3x - 18| = 3/4

|3x - 18| = 0.75.

Two solutions, as follows:

3x - 18 = -0.75

3x = 17.25

x = 17.25/3

x = 5.75.

3x - 18 = 0.75

3x = 18.75

x = 18.75/3

x = 6.25.

The x-intercepts are (5.75,0) and (6.25). The function is negative between the intercepts, hence the negative range of values of x is 5.75 < x < 6.25 = (5.75, 6.25).

The y-intercept is the value of f(x) when x = 0, hence:

f(0) = 8(|3(0) - 18|) - 6 = 8 x 18 - 6 = 138.

The y-intercept is (0, 138).

The vertex is between the roots(5.75 and 6.25) at the shifted down position(down 6 units), hence (6, -6).

The range is from the y-value of the vertex to infinity, hence the range is [-6, ∞).

The function was not reflected(multiplied by -1), hence it goes to infinity to the right, that is, as x -> ∞, y -> ∞.

More can be learned about the absolute value function at https://brainly.com/question/28396388

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