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sveta [45]
3 years ago
9

I don’t understand how this works? Please help, thanks.

Mathematics
2 answers:
Dima020 [189]3 years ago
6 0

Answer:

(B) Is the answer here

Step-by-step explanation:

Well a function’s domain can’t repeat no matter what.

Domain is X.

So the first one doesnt work since it repeats to every single digit that exists.

The second one works becuase the domain aren’t repeated and the range being repeated (or known as y) is but that deosn’t matter.

Fudgin [204]3 years ago
6 0

Answer:

B

Step-by-step explanation:

Hello There!

In order for the relations to be a function the x values may not repeat

For answer choice A the x value -2 repeats multiply times therefore the relation is not a function

For answer choice B each x value has a different y value so this might be our answer but just to be safe lets look at the other answer choices

For answer choice C the x values -3 and 2 repeat therefore it is not a function

For answer choice D the x value 2 repeats therefore the relation is not a function

So we can conclude that the correct answer is B

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The table represents a linear function. Find the values of A and B.​
bazaltina [42]

Answer:

The answers are that a = -5 and b = 1

Step-by-step explanation:

In order to find A and B, we first need to find the equation of the line. We can do this by using two ordered pairs and the slope formula. For the purpose of this activity, I'l use (0, 5) and (-3, 11)

m(slope) = (y2 - y1)/(x2 - x1)

m = (11 - 5)/(-3 - 0)

m = 6/-3

m = -2

Now that we have this we can model this using point-slope form.

y - y1 = m(x - x1)

y - 5 = -2(x - 0)

y - 5 = -2x

y = -2x + 5

Now that we have the modeled equation we can use the ordered pair (a, 15) to solve for a.

y = -2x + 5

15 = -2(a) + 5

10 = -2a

-5 = a

And we can also solve for b using the ordered pair (2, b)

y = -2x + 5

b = -2(2) + 5

b = -4 + 5

b = 1

4 0
3 years ago
All of the quadrilaterals in the shape below are squares. Find the area of the shaded
ArbitrLikvidat [17]
The area if the shaded region is 32. The blue squares area is 36 but the part that’s cut off has an area of 4. 36-4 equals 32. So that’s the answer!
6 0
2 years ago
HELLLLLLLLLLLPPPPPPPPPP
natka813 [3]
Answer
y = 4x + 4

slope: (36-16)/(8-3)=4
intercept: 16=3(4)+b -> b=4
7 0
2 years ago
Worth all my points plus brainliest!!! Due in 4 hrs 1-11
SVETLANKA909090 [29]

Answer:

1. 15

2. -8/9

3. 5

4. 7

5. a = 20

6. n = 100

7. 3.6 x 10^1

8. 3

9. 4

10. 8.37 x 10^5

11. 6.67 x 10^3

8 0
3 years ago
The sum of - 7/9 and 11/18 is _____
ollegr [7]

Answer:

-\frac{1}{6}

Step-by-step explanation:

Common denominator: 18

-14/18 + 11/18

= -3/18

Reduce:

-1/6

6 0
3 years ago
Read 2 more answers
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