A study was conducted to determine the relationship between the outdoor temperature and the number of visitors to a municipal sw
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We know the distance formula is
9)
Here A( -4,2) and B(1,4)
So length of AB
=
Also C(2,1)
Length of BC
=
So we can see that length of AB is not equal to length of BC
11.
Now AB =
Also C(2,-1) & D(4,4)
Length of CD
=
Yes AB = CD
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 <em>parabola</em> 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, another thing we can see from the graph is that the vertex is the point:
So the graph of this function is shown in the figure below. This is a <em>parabola</em> 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, another thing we can see from the graph is that the vertex is the point:
Since Christi earns $21 per hour, to find how much she earns by working 19 hours per week we need to multiply the hourly wage by the number of hours she works in a week:
Her weekly wage is $399
Answer: D) $399