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natita [175]
3 years ago
11

I need help, Please and Thank you

Mathematics
1 answer:
mr Goodwill [35]3 years ago
8 0
Graph 1 the domain and range are both all real numbers.
Graph 2 the domain is [-1,5] and range is [-1,2]
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What are the solutions to x2 + 8x + 7 = 0?
Lelechka [254]

Answer:

B

Step-by-step explanation:

x² + 8x + 7 = 0

x²+x+7x+7=0

x(x+1)+7(x+1)=0

(x+1)(x+7)=0

Either x=-1or x=-7.

6 0
4 years ago
Y=4x−9<br> Complete the missing value in the solution to the equation
weeeeeb [17]

Answer:

<h2>The missing value is 3, and the coordinates are (3,3).</h2>

Step-by-step explanation:

The complete question is

y=4x-9

Complete the missing value in the solution to the equation. (3, ? )

By given, we know that x=3, because coordinates are written like (x,y).

Then, we replace the given coordinate to find y.

y=4x-9\\y=4(3)-9\\y=12-9\\y=3

Therefore, the missing value is 3, and the coordinates are (3,3).

4 0
3 years ago
F(x)=2x ​2 ​​ +5√ ​(x+2) ​ ​​f(2)=
irga5000 [103]

f(x) 2x² + 5√(x+2)


f(2) = 2(2)² + 5√(2+2)

     = 2(4) + 5√4

     = 8 + 10

     = 18      <======= answer

4 0
3 years ago
What is the value of u? 6.4u−5.1u=−3.25 Enter your answer in the box. u=
AnnZ [28]

i am not shure what the answer is to this?

3 0
3 years ago
If 7x=3y and 5y=7z then X/Z?
Aleks04 [339]

Answer:

3/5=x/z

Step-by-step explanation:

7x=3y

7(3)=3(7)

21=21

5y=7z

5(7)=7z (plug in the seven from the first step)

35=7z

then divide both sides by 7

5=z

therefore, X/Z=3/5

7 0
4 years ago
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