Mathematics
22 Online
OpenStudy (anonymous):
Write the domain and range for each function below Please
9.(5,0),(3,-2)(1,4),(-1,-6)
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OpenStudy (anonymous):
Help please i also need help with functions
OpenStudy (vshiroky):
The domain is x and range is y
OpenStudy (anonymous):
so i write all the x's and all the ys?
OpenStudy (vshiroky):
For the domain you write the X unless there is 2 of the same number.
So domain is {5,3,1,-1}
and the range would be?
OpenStudy (anonymous):
0,2,-6
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OpenStudy (anonymous):
0,2,4,-6
OpenStudy (vshiroky):
Not quite... all the y points
OpenStudy (anonymous):
Which ones would it be :p
OpenStudy (vshiroky):
0,-2,4,-6
OpenStudy (anonymous):
0,-2,4,-6
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OpenStudy (anonymous):
Thank you
OpenStudy (anonymous):
Are you familiar with functions aswell?
OpenStudy (vshiroky):
Like?
OpenStudy (anonymous):
Let me screenshot one second
OpenStudy (anonymous):
Directions Calculate
f
(
x
) for the given domain values.
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OpenStudy (anonymous):
Calculate f(x) for the given domain values
OpenStudy (vshiroky):
Did they give you an equation?
OpenStudy (anonymous):
Yes let me attach the file
OpenStudy (anonymous):
Page 13
OpenStudy (anonymous):
im suppose to do all of page 13
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OpenStudy (anonymous):
Maybe you could help with a few of them? please
OpenStudy (vshiroky):
f(x)=5x;
x
4, 6, 8, 10, 20
Just plug in x
f(x)=5(4)
f(x)=5(6)
f(x)=5(8)
f(x)=5(10)
f(x)= 5(20)
OpenStudy (anonymous):
so i just put x in but how many answers would i have?
OpenStudy (vshiroky):
Every one of those equations give you an answer
OpenStudy (anonymous):
number 1 correct 5(4) =20 5(6)=30 5(8)=40 5(10)=50 5(20)=100?
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OpenStudy (vshiroky):
Yep
OpenStudy (anonymous):
okay I get it thank you :)
OpenStudy (vshiroky):
Np
OpenStudy (anonymous):
PAGE 17: 1, 5, 9, 15 can you help with these aswell please.
OpenStudy (vshiroky):
I'm doing my own homework at the same time so I may not be able to get to it quickly
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OpenStudy (anonymous):
I understand Thank you just when you get the chance please
OpenStudy (vshiroky):
2x+4y=8
You subtract 2x from both sides giving you 4y=-2x+8 then divide both sides by 4
y=-2/4x+2
or simplified
y=-1/2x+2
OpenStudy (anonymous):
Thank you
OpenStudy (anonymous):
Page 18 Please when you get the chance I have no clue