Answer: ![\$1.99](https://tex.z-dn.net/?f=%5C%241.99)
Step-by-step explanation:
The missing figure is attached.
For this exercise you need to analize the information provided.
You can observe in the picture attached that the cost of a package of wrapping paper is $3.76 and each bow costs $1.05.
Since Inez bought 1 package of wrapping paper and 4 bows, you get that the total amount of money she spent was:
![Total=\$3.76+4(\$1.05)\\\\Total=\$7.96](https://tex.z-dn.net/?f=Total%3D%5C%243.76%2B4%28%5C%241.05%29%5C%5C%5C%5CTotal%3D%5C%247.96)
According to the data given in the exercise, Inez wrapped 4 identical gifts. So, let be "x" the cost for wrapping each gift.
This is:
![x=\frac{\$7.96}{4}\\\\x=\$1.99](https://tex.z-dn.net/?f=x%3D%5Cfrac%7B%5C%247.96%7D%7B4%7D%5C%5C%5C%5Cx%3D%5C%241.99)
Answer: THE ANSWER IS (D)
Step-by-step explanation: :)
Answer:
5/13
Step-by-step explanation:
because we are looking at B and A and c
F(x) = 3/2x - 9
f(-4) = 3/2(-4) - 9
f(-4) = -6 - 9
f(-4) = -15
The vertex is the high point of the curve, (2, 1). The vertex form of the equation for a parabola is
.. y = a*(x -h)^2 +k . . . . . . . for vertex = (h, k)
Using the vertex coordinates we read from the graph, the equation is
.. y = a*(x -2)^2 +1
We need to find the value of "a". We can do that by using any (x, y) value that we know (other than the vertex), for example (1, 0).
.. 0 = a*(1 -2)^2 +1
.. 0 = a*1 +1
.. -1 = a
Now we know the equation is
.. y = -(x -2)^2 +1
_____
If we like, we can expand it to
.. y = -(x^2 -4x +4) +1
.. y = -x^2 +4x -3
=========
An alternative approach would be to make use of the zeros. You can read the x-intercepts from the graph as x=1 and x=3. Then you can write the equation as
.. y = a*(x -1)*(x -3)
Once again, you need to find the value of "a" using some other point on the graph. The vertex (x, y) = (2, 1) is one such point. Subsituting those values, we get
.. 1 = a*(2 -1)*(2 -3) = a*1*-1 = -a
.. -1 = a
Then the equation of the graph can be written as
.. y = -(x -1)(x -3)
In expanded form, this is
.. y = -(x^2 -4x +3)
.. y = -x^2 +4x -3 . . . . . . same as above