JozelynW
  • JozelynW
Does anyone know a website I can graph on a coordinate plane?
Mathematics
  • Stacey Warren - Expert brainly.com
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chestercat
  • chestercat
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
JozelynW
  • JozelynW
@mathmate
Babynini
  • Babynini
yes! desmos. Let me look up the link for you :)
misty1212
  • misty1212
HI!!

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Babynini
  • Babynini
https://www.desmos.com/calculator
misty1212
  • misty1212
what are you trying to graph?
misty1212
  • misty1212
http://www.wolframalpha.com/input/?i=%28x-3%29%2F%28x%5E2-4%29
anonymous
  • anonymous
I really like https://www.desmos.com/calculator
anonymous
  • anonymous
wolfram is ok and great for solving problems for you but on desmos you can compare and graph a lot of different equations and do a lot of neat things
JozelynW
  • JozelynW
@peachpi @mathmate
JozelynW
  • JozelynW
is a graph of a function turning negative
JozelynW
  • JozelynW
so the original graph and then the same points flipped over the y-axis
triciaal
  • triciaal
your "flipped over the y-axis" means x is now -x and y stays the same
JozelynW
  • JozelynW
yes negative exponent
triciaal
  • triciaal
|dw:1434515090480:dw|
JozelynW
  • JozelynW
but i need to graph that, i need a website
triciaal
  • triciaal
exponent?
triciaal
  • triciaal
as above use desmos
JozelynW
  • JozelynW
f(-x)
JozelynW
  • JozelynW
for desmos i don't really know hot to input the functions
JozelynW
  • JozelynW
the original function is f(x)=24(1.2)^x
triciaal
  • triciaal
I don't know how to show directly put the problem here then I will try to print then upload
JozelynW
  • JozelynW
4.Gordon wants to fully understand what kind of changes could affect the money he is investing. Using complete sentences, explain the effect of the following transformations. Graph them and f(x) on the same coordinate plane. f(x + 2) :The graph is shifted two units to the left. f(–x): Each point is reflected across the y-axis and is now a decay function. f(x) + 3: The function is shifted 3 units up
JozelynW
  • JozelynW
for the graphs i went from 0 to 15
triciaal
  • triciaal
sorry, if has several the other one even said forbidden don't know how to get the screenshot
triciaal
  • triciaal
|dw:1434516323101:dw|
UsukiDoll
  • UsukiDoll
whoa what's with the mass text ? :O
JozelynW
  • JozelynW
so how do i graph that with desmos
triciaal
  • triciaal
go to desmos the "keyboard" is on the bottom right
JozelynW
  • JozelynW
ok
JozelynW
  • JozelynW
at the keyboard
UsukiDoll
  • UsukiDoll
so the original function is f(x)=24(1.2)^x and we need to apply transformations... desmos is a good website for graphs
triciaal
  • triciaal
wait help is here
triciaal
  • triciaal
@UsukiDoll how do I get a screenshot of a graph from desmos?
UsukiDoll
  • UsukiDoll
print screen
JozelynW
  • JozelynW
on your computer
UsukiDoll
  • UsukiDoll
let me just get all the details besides that original function... hold on
UsukiDoll
  • UsukiDoll
f(x)=24(1.2)^x and we need to apply transformations... f(x + 2) :The graph is shifted two units to the left. f(–x): Each point is reflected across the y-axis and is now a decay function. f(x) + 3: The function is shifted 3 units up
triciaal
  • triciaal
@UsukiDoll do you mind giving the directions you would be much faster
UsukiDoll
  • UsukiDoll
this is like super zoomed out
UsukiDoll
  • UsukiDoll
that is only the original function so what I did to graph this was type 24(1.2)^x I used the ^ to indicate exponent.
UsukiDoll
  • UsukiDoll
so if our f(x) = 24(1.2)^x is shifting 3 units up I will have f(x) +3 which is 24(1.2)^x + 3
JozelynW
  • JozelynW
ok
JozelynW
  • JozelynW
so put 24(1.2)^x + 3
UsukiDoll
  • UsukiDoll
I did but desmos is coloring it red like the original... I have to see if I can change it to blue or green
JozelynW
  • JozelynW
ok i did
UsukiDoll
  • UsukiDoll
ok I got it.. but it's kind of.. .ehhhhhh .... if you want to see it I can attach a screenshot. my x and y values are huge :(
JozelynW
  • JozelynW
can you put the original function and the new function on the same graph because that's how the work says to do it.
triciaal
  • triciaal
@UsukiDoll how do you get the graph from Desmos to put it here?
UsukiDoll
  • UsukiDoll
UsukiDoll
  • UsukiDoll
print screen :D
JozelynW
  • JozelynW
oh wow thank you
JozelynW
  • JozelynW
how do you screenshot on the computer
UsukiDoll
  • UsukiDoll
press the print screen button on the keyboard and paste to paint ... save file.. or just get one of those programs that save screenshots with the print screen button
JozelynW
  • JozelynW
and how would i flip the function over the y-axis
triciaal
  • triciaal
@UsukiDoll please change the scale then do it again do you know how to change the scale?
xapproachesinfinity
  • xapproachesinfinity
i use desmos.com geogebra
UsukiDoll
  • UsukiDoll
f(x)=24(1.2)^x and we need to apply transformations... f(x + 2) :The graph is shifted two units to the left. f(–x): Each point is reflected across the y-axis and is now a decay function. f(x) + 3: The function is shifted 3 units up (done) yeah I'll change scale.
UsukiDoll
  • UsukiDoll
NUGH! it's still huge WHHYYYYY!
UsukiDoll
  • UsukiDoll
I even did -5
xapproachesinfinity
  • xapproachesinfinity
http://web.geogebra.org/app/#
JozelynW
  • JozelynW
how do i save the graph to put into my word file
xapproachesinfinity
  • xapproachesinfinity
do screen shot
UsukiDoll
  • UsukiDoll
we still haven't done the left tranformation and the reflection of the y-axis yet.
JozelynW
  • JozelynW
oh so we do them all on one graph
JozelynW
  • JozelynW
i thought everyone had a different graph, that makes sense
JozelynW
  • JozelynW
OK lets do those then.
xapproachesinfinity
  • xapproachesinfinity
https://app.prntscr.com/en/index.html this could be a good tool for you
JozelynW
  • JozelynW
ok
JozelynW
  • JozelynW
thank you @xapproachesinfinity just downloaded it.
JozelynW
  • JozelynW
time to graph the other ones
UsukiDoll
  • UsukiDoll
f(x)=24(1.2)^x and we need to apply transformations... f(x + 2) :The graph is shifted two units to the left. f(–x): Each point is reflected across the y-axis and is now a decay function. f(x) + 3: The function is shifted 3 units up we got the original graph and f(x)+3 ... now we need to do shift 2 units to the left and reflection... one problem...I'm not sure if I've done it correctly for the reflection
UsukiDoll
  • UsukiDoll
because I'm so used to -f(x) but that's -24(1.2)^x which I don't need.
JozelynW
  • JozelynW
well the x is only negative like f(-x) -1,2 -5,10
UsukiDoll
  • UsukiDoll
-_- ok I feel crummy for seeing that site just now. let me experiment on something
JozelynW
  • JozelynW
k
UsukiDoll
  • UsukiDoll
YUP *facepalm* it is possible to do reflection on desmos...it's also possible to have to manually input the f(x)
UsukiDoll
  • UsukiDoll
I've learned something new today T_T
UsukiDoll
  • UsukiDoll
you just need to input f(x) = original function once and then on a new graph line you can input the transformation without typing the whole original function
triciaal
  • triciaal
my brain is not really here so how do I retrieve from "paint"
JozelynW
  • JozelynW
what about f(x+2)
UsukiDoll
  • UsukiDoll
I feel like a dork ... but then again I didn't know
UsukiDoll
  • UsukiDoll
look at the recent screenshot... see how what I did earlier wasn't necessary?
JozelynW
  • JozelynW
ok than you so much that was the last question i needed help on
UsukiDoll
  • UsukiDoll
I almost got the same thing...except for the reflection part.. that one was way off.
JozelynW
  • JozelynW
the reflection is wrong
JozelynW
  • JozelynW
??
UsukiDoll
  • UsukiDoll
but wow TIL that you just need to input the original f(x) once and then type f(x)+3, f(-x), and f(x+2) for transformations on desmos -_-
triciaal
  • triciaal
|dw:1434518008207:dw|
UsukiDoll
  • UsukiDoll
I had -f(x) which was x -axis... on an earlier screenshot... f(-x) is y axis and it's supposed to be the decay function...
UsukiDoll
  • UsukiDoll
my reflection ... the one I was trying to get had a graph on the third quadrant...when actually it's supposed to be first quadrant...so when I stumbled upon the fact that I don't have to input the f(x) all the time made me realize that there was an easier way to do this problem
JozelynW
  • JozelynW
oh so like this
1 Attachment
UsukiDoll
  • UsukiDoll
yes exactly... #5 on my screenshot is what I had and I knew that was wrong.
JozelynW
  • JozelynW
ok so i can put the graph in my word file
UsukiDoll
  • UsukiDoll
not mine though (since I have one too many) .. but yes you can put your graph in your word file.
JozelynW
  • JozelynW
k thank you and good night. I have one last question what grade are you in/
triciaal
  • triciaal
so am I wrong to put (-x) I still think f(x) = y and y stays the same x goes to -x for a reflection over the y-axis
UsukiDoll
  • UsukiDoll
I'm not in any grade level xD .. it's been years since someone asked me that
JozelynW
  • JozelynW
you finished school , you still remember this
UsukiDoll
  • UsukiDoll
I'm in university ...I ask very hard questions...:D
JozelynW
  • JozelynW
OK, any way once again thank you .I'm now closing the question in 10 sec

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