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lord [1]
2 years ago
8

The functions f(x) and g(x) are shown on the graph.

Mathematics
1 answer:
goldfiish [28.3K]2 years ago
7 0

Answer:Soo really I could give a fucif u believe me or not but the answer is d

Step-by-step explanation:

Jj

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If f(x)= 2x2+1 what is f(x) when x=3?
omeli [17]
The correct answer is 13
5 0
3 years ago
Find two numbers which have a sum of 132 and that can be written as the simplified<br> ratio 3:8
Molodets [167]

Answer:

96 and 36

Step-by-step explanation:

3+8 = 11

132/11 = 12

so:

12 x 3 = 36

12 x 8 = 96

5 0
2 years ago
Find the standard form of the equation of the parabola with a focus at (0, 8) and a directrix at y = -8
Gekata [30.6K]
First, let (x,y) be a point in our parabola. Since we know that the focus of our parabola is  the point (0,8), we are going to use the distance formula to find the distance between the two points:
\sqrt{(x-0)^{2}+(y-8)^{2}}

Next, we are going to find the distance between the directrix and the point in our parabola. Remember that the distance between a point (x,y) of a parabola and its directrix, y=c, is: |y-c|. Since our directrix is y=-8, the distance to our point will be:
|y-(-8)|
|y+8|

Now, we are going to equate those two distances, and square them to get rid of the square root and the absolute value:
\sqrt{(x-0)^{2}+(y-8)^{2}}=|y+8|
(\sqrt{(x-0)^{2}+(y-8)^{2}})^{2}=|y+8|^{2}
(x-0)^{2}+(y-8)^{2}=y+8

Finally, we can expand and solve for y:
x^2+y^2-16y+64=y^2+16y+64
x^{2}-16y=16y
32y=x^{2}
y= \frac{1}{32} x^2

We can conclude that t<span>he standard form of the equation of the parabola with a focus at (0, 8) and a directrix at y = -8 is </span>y= \frac{1}{32} x^{2}

3 0
3 years ago
(-3; -3) and (8-3). What is the slope​
pentagon [3]

Answer:

Step-by-step explanation:

(-3,-3) ; (8,-3)

Slope=\frac{y_{2}-y_{1}}{x_{2}-x_{1}}\\\\=\frac{-3-[-3]}{8-[-3]}\\\\=\frac{-3+3}{8+3}\\\\=0

Slope = 0. so, the line is parallel to x-axis

6 0
3 years ago
Please answer this question with explanation!! Thanks
Georgia [21]
The answer would be 12 3/4 because when you continue use the pattern that is used you end up with your answer! Hope this helps
5 0
3 years ago
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