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sergiy2304 [10]
1 year ago
5

Question 9

Mathematics
1 answer:
Katena32 [7]1 year ago
4 0

we can conclude that the range is:

(0, 5), (-16, -1), (12, 4)

Which is the first option (counting from the top).

<h3>How to find the range?</h3>

When we have a relation:

x⇒f(x) = y

We define the domain as the set of possible inputs, and the range as the set of possible outputs.

In this case, we know that the domain is:

(0, 5), (8, -1), (-6, 4)

And the transformation is:

f(x, y) = (-2x, y)

So, if we apply that to each one of the pairs in the domain, we will get:

f(0, 5) = (-2*0, 5) = (0, 5)

f(8, -1) = (-2*8, - 1) = (-16, -1)

f(-6, 4) = (-2*-6, 4) = (12, 4)

Then we can conclude that the range is:

(0, 5), (-16, -1), (12, 4)

Which is the first option (counting from the top).

If you want to learn more about domain and range:

brainly.com/question/10197594

#SPJ1

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Finding area of shaded sectors.
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Answer:

69.81 sq. m. (rounded to 2 decimal places)

Step-by-step explanation:

The sector of a circle is "part" or "portion" of a circle. The formula for the area of a sector is:

A=\frac{\theta}{360}*\pi r^2

Where

\theta  is the central angle

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Given the figure, the arc is given as 80 degrees, but not the central angle of the shaded sector. But from geometry we know that the central angle and the intercepted arc have the same measure. So we can say:

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Also, the radius of the circle shown is 10 meters, so

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Now, we substitute in formula and find our answer:

A=\frac{\theta}{360}*\pi r^2\\A=\frac{80}{360}*\pi (10)^2\\A=\frac{2}{9}*100\pi\\A=\frac{200\pi}{9}\\A=69.81

Thus,

The area of the shaded sector is 69.81 sq. meters.

5 0
3 years ago
-x=9 pls help I’m behind
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equals x= 10

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Step-by-step explanation:

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