Answer:
-12
Step-by-step explanation:
Andrea has 3 hours to spend training for an upcoming race. She completes her training by running full speed the distance of the
1 answer:
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We have the following function that is a quadratic function:
So the graph of this function is shown in the figure below. This is a parabola as you can see. The roots of this functions, that is, the x-intercepts are:
As you can see in the figure. This function decreases from
and increases from 
Finally, it is important to note that the vertex is the point:
The answer is the second graph.
So the graph of this function is shown in the figure below. This is a parabola as you can see. The roots of this functions, that is, the x-intercepts are:
As you can see in the figure. This function decreases from
Finally, it is important to note that the vertex is the point:
The answer is the second graph.