For a function of , the average rate of change can be found as follows:
So, this problem asks for the Average Rate of Change of from
to
. In this way, we need to find
. As you can see above, we have the graph of
, so we can find these values. Thus, from the graph:
Therefore:
Answer:
Step-by-step explanation:
we have that
Using a graph tool
see the attached figure
The function represent a vertical parabola that open up
the vertex is a minimum-------> is the point (-0.5, -9.3)
The x-intercepts are the points when the y coordinate is equal to zero
The x-intercepts are the points (-3.5, 0) and (2.5, 0)
so
the function cross the negative x-axis at point
therefore, the answer is
(-4, 0) and (-3, 0)
