The points on the interval of the absolute value function in the graph are on the same straight line.
The statements that describe the rate of change over the interval; 1.5 ≤ x ≤ 3 are;
- B. The rate of change is 2
- C. The rate of change is constant
Reasons:
The given parameter of the graph of the f are;
The vertex of the function = (1, 0)
The straight line of the function f passes through the points (1.5, 1) and (3, 4)
Therefore;
[tex]\displaystyle The \ slope \ of \ the \ graph \ between \ (1.5, \, 1) \ and \ (3, \, 4) = \mathbf{\frac{4 - 1}{3 - 1.5} }= \frac{3}{1.5} =2[/tex]
The slope of the graph = The rate of change of the graph
Therefore;
The rate of change of the graph over the interval 1.5 ≤ x ≤ 3 is 2
Given that the graph is a straight line graph, we have;
The slope of the graph is constant, therefore;
- The rate of change is constant
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