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Yuliya22 [10]
3 years ago
8

If (8, -2) is on the graph of F(x), which point must be on the graph of the inverse function F^-1(x)

Mathematics
1 answer:
Monica [59]3 years ago
3 0

If (a, b) is on the graph of f(x), then the point (b, a) must be on the graph of the inverse function f^-1(x).

<h3>Therefore your answer is d. (-2, 8).</h3>
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A circle is centered at the point (7,1) and passes through the point (8,7). what is the radius
Scorpion4ik [409]
Easy

the radius is the distance from the center to a point on the circle

we are given
center=(7,1)
 a point=(8,7)
find the distance
distance formula
D=\sqrt{(x2-x1)^2+(y2-y1)^2}

so the distance between point and center is radius
D=\sqrt{(8-7)^2+(7-1)^2}
D=\sqrt{(1)^2+(6)^2}
D=\sqrt{1+36}
D=√37 units


radius is √37 units
7 0
3 years ago
3x²=12 extracting square roots​
ivann1987 [24]

Answer:

x = ± 2

Step-by-step explanation:

Given

3x² = 12 ( divide both sides by 3 )

x² = 4 ( take the square root of both sides )

x = ± \sqrt{4} = ± 2

3 0
3 years ago
If more airplanes and cars are used (both of which burn fossil fuels), carbon levels will increase.
den301095 [7]

Answer:

True

Step-by-step explanation:

Cars and planes use fossil fuels such as, gas, petroleum. These are unrenewable resources.

8 0
2 years ago
Read 2 more answers
6. Sketch the region enclosed by the graphs of x =0, 6y-5x=0 and x+3y=21. Find the area
kow [346]
We can see that revolving the region formed by intersecting 3 lines, we will get 2 cones that are connected their bases.
Volume of the cone V=1/3 *πr²*h

1) small cone has r=5, and h=5
Volume small cone V1= 1/3 *π*5²*5 = 5³/3 *π
2) large cone has r=5, and h=21-6=15, h=15
Volume large cone V2= 1/3 *π*5²*15 = 5³*π
3) whole volume
5³/3 *π + 5³*π=5³π(1/3+1)=((5³*4)/3)π=(500/3)π≈166.7π≈523.6

Area
we see 2 right triangles,
Area of the triangle=1/2*b*h, where b -base, h -height
1) small one, b=5, h=5
A1=(1/2)*5*5=25/2
2)large one, b=5, h=15
A2=(1/2)*5*15=75/2
3) whole area=A1+A2=25/2+75/2=100/2=50

3 0
3 years ago
Read 2 more answers
Please help!!! 30 minutes left
NeX [460]

Answer:

Option "D" is correct.

Step-by-step explanation:

\frac{a^{3}b^{-2} }{ab^{-4} }

To eliminate negatives

They are interchanged thus it gives us option D.

7 0
3 years ago
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