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aleksklad [387]
2 years ago
11

[25 POINTS] determine whether each relation is a function. If so, provide the domain and range.​

Mathematics
1 answer:
ZanzabumX [31]2 years ago
7 0

Answer:

The first table is a function.

Domain for the first graph: {1, 5, 10, 11, 14}

Range for the first graph: {6, 50, 150, 176, 266}

The second table is a function

Domain for the second graph: {0, 10, 20, 30, 40}

Range for the second graph: {0, 300, 600, 900, 1200}

Step-by-step explanation:

To tell whether if a relation is a function is to determine if the x values repeat itself. If the x value repeats itself, it is not a function. If it doesn't repeat itself, it is therefore a function. You can also tell if a relation is a function by doing the vertical line test. Draw a vertical line on a graph and if it hits more than one point, the relation is not a function. The domain are the x values while the range are the y values. When you're plotting the domain/range, make sure to put the numbers in order from least to greatest, use curly brackets instead of parentheses, and don't repeat the same numbers. So yeah a brainliest would be great but you don't have too.

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Find the terminal point on the unit circle determined by pi radians.
svet-max [94.6K]

Answer:

Terminal points

(x,y) = (\frac{1}{\sqrt{2} }) , (\frac{-1}{\sqrt{2} })

Step-by-step explanation:

According to the question, it is provided that

\theta = \frac{7\pi}{4}

Now

x = 1. cos (\frac{7\pi}{4})\\\\ = cos (2\pi - \frac{\pi}{4})\\\\= cos \frac{\pi}{4} \\\\= \frac{1}{\sqrt{2} }

y = 1. sin (\frac{7\pi}{4})\\\\ = sin (2\pi - \frac{\pi}{4})\\\\= -sin \frac{\pi}{4} \\\\= \frac{-1}{\sqrt{2} }

Now

(x,y) = (\frac{1}{\sqrt{2} }) , (\frac{-1}{\sqrt{2} })

These two represents the terminal points

We simply applied the above equations and then equate these two equations to determine the terminal points and therefore the same is to be considered

It could be figure out by using the x and y points

Therefore the two shows the terminal points

3 0
3 years ago
Which equation represents the line on the graph?
Flura [38]
Answer:

Y=-1/3x+2

Reason:

the line is negative so it Goes down one right 3 and the line is on the positive 2 on the y axis.

7 0
3 years ago
brett and ryan share some sweets in the ratio of 5:2 brett gets 15 more sweets than ryan, how much does ryan get?
antiseptic1488 [7]

Answer:

6:3

Step-by-step explanation:

4 0
3 years ago
Someone please do this and explain in detail of how you get x.
Afina-wow [57]

Answer:

x=8

AC=148

Step-by-step explanation:

Okay so if B is the midpoint of AC, that basically means that it's the halfway point. If B is exactly halfway between A and C, that means that the distance between A and B, and the distance between B and C is the same. In other words: AB=BC

Knowing that AB=BC, we can sub the values given by the question:

AB = BC

9x+2 = 5x+34

9x-5x = 34-2

4x = 32

x = 8

Now that we know the value of x, we can find AC, since AC=AB+BC

AC = AB + BC

= 9x+2 + 5x+34

= 14x+36

= 14(8)+36

=112+36

=148

6 0
3 years ago
Which point represents the number 2 ?
lana [24]

Answer:

uh... you forgot to add the image...

ask again with a screenshot/picture next time...

8 0
3 years ago
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