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Anuta_ua [19.1K]
3 years ago
13

Give the domain and range of each relationship. Determine whether or not each relationship is a function.

Mathematics
1 answer:
prisoha [69]3 years ago
6 0

Answer:

47

Step-by-step explanation:

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What is the length of BD?
Tasya [4]
The answer would be B
3 0
3 years ago
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Need help with 9 please
Debora [2.8K]

Answer:

x = 5

y = 1

Step-by-step explanation:

So move 2y from the second equation to the other side of the equals sign

2x +3y = 13

x = 3 + 2y

From here substitute X into the first equation

2(3 + 2y) + 3y = 13

Distribute

6 + 4y +3y = 13

Combine like terms and solve for y

7y = 7

y = 1

insert result into the original equation.

x-2(1) = 3

x - 2 = 3

x = 5

insert into other equation to check work

2(5) + 3(1) = 13

10 + 3 = 13 correct

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3 years ago
What is the greatest possible error for 0.224m
Citrus2011 [14]

Answer:

0.0005 I believe

Step-by-step explanation:

7 0
3 years ago
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The function ƒ(x) = (x − 1)^2 + 5 is not one-to-one. Find a portion of the domain where the function is one-to-one and find an i
melisa1 [442]

Answer:

f(x)=(x-1)^2+5 with domain x>1 and range y>5 has inverse g(x)=sqrt(x-5)+1 with domain x>5 and range y>1.

Step-by-step explanation:

The function is a parabola when graphed. It is in vertex form f(x)=a(x-h)^2+k where (h,k) is vertex and a tells us if it's reflected or not or if it's stretched. The thing we need to notice is the vertex because if we cut the graph with a vertical line here the curve will be one to one. So the vertex is (1,5). Let's restrict the domain so x >1.

* if x>1, then x-1>0.

* Also since the parabola opens up, then y>5.

So let's solve y=(x-1)^2+5 for x.

Subtract 5 on both sides:

y-5=(x-1)^2

Take square root of both sides:

Plus/minus sqrt(y-5)=x-1

We want x-1>0:

Sqrt(y-5)=x-1

Add 1 on both sides:

Sqrt(y-5)+1=x

Swap x and y:

Sqrt(x-5)+1=y

x>5

y>1

3 0
3 years ago
3m+8=15<br><img src="https://tex.z-dn.net/?f=3m%20%2B%208%20%3D%2015" id="TexFormula1" title="3m + 8 = 15" alt="3m + 8 = 15" ali
Umnica [9.8K]

Answer:

m = \frac{7}{3}

Step-by-step explanation:

Given

3m + 8 = 15 ( subtract 8 from both sides )

3m = 7 ( divide both sides by 3 )

m = \frac{7}{3}

8 0
3 years ago
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