Does anyone know a website I can graph on a coordinate plane?

- JozelynW

Does anyone know a website I can graph on a coordinate plane?

- Stacey Warren - Expert brainly.com

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- jamiebookeater

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- JozelynW

@mathmate

- Babynini

yes! desmos. Let me look up the link for you :)

- misty1212

HI!!

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## More answers

- Babynini

https://www.desmos.com/calculator

- misty1212

what are you trying to graph?

- misty1212

http://www.wolframalpha.com/input/?i=%28x-3%29%2F%28x%5E2-4%29

- anonymous

I really like https://www.desmos.com/calculator

- 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

@peachpi @mathmate

- JozelynW

is a graph of a function turning negative

- JozelynW

so the original graph and then the same points flipped over the y-axis

- triciaal

your "flipped over the y-axis" means x is now -x and y stays the same

- JozelynW

yes negative exponent

- triciaal

|dw:1434515090480:dw|

- JozelynW

but i need to graph that, i need a website

- triciaal

exponent?

- triciaal

as above use desmos

- JozelynW

f(-x)

- JozelynW

for desmos i don't really know hot to input the functions

- JozelynW

the original function is f(x)=24(1.2)^x

- triciaal

I don't know how to show directly
put the problem here then I will try to print then upload

- 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(â€“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

for the graphs i went from 0 to 15

- triciaal

sorry, if has several the other one even said forbidden
don't know how to get the screenshot

- triciaal

|dw:1434516323101:dw|

- UsukiDoll

whoa what's with the mass text ? :O

- JozelynW

so how do i graph that with desmos

- triciaal

go to desmos
the "keyboard" is on the bottom right

- JozelynW

ok

- JozelynW

at the keyboard

- 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

wait help is here

- triciaal

@UsukiDoll how do I get a screenshot of a graph from desmos?

- UsukiDoll

print screen

- JozelynW

on your computer

- UsukiDoll

let me just get all the details besides that original function... hold on

- 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(â€“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

@UsukiDoll do you mind giving the directions you would be much faster

- UsukiDoll

this is like super zoomed out

##### 1 Attachment

- 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

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

ok

- JozelynW

so put 24(1.2)^x + 3

- 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

ok i did

- 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

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

@UsukiDoll how do you get the graph from Desmos to put it here?

- UsukiDoll

##### 1 Attachment

- UsukiDoll

print screen :D

- JozelynW

oh wow thank you

- JozelynW

how do you screenshot on the computer

- 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

and how would i flip the function over the y-axis

- triciaal

@UsukiDoll please change the scale then do it again
do you know how to change the scale?

- xapproachesinfinity

i use desmos.com
geogebra

- 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(â€“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

NUGH! it's still huge WHHYYYYY!

- UsukiDoll

I even did -5

- xapproachesinfinity

http://web.geogebra.org/app/#

- JozelynW

how do i save the graph to put into my word file

- xapproachesinfinity

do screen shot

- UsukiDoll

we still haven't done the left tranformation and the reflection of the y-axis yet.

- JozelynW

oh so we do them all on one graph

- JozelynW

i thought everyone had a different graph, that makes sense

- JozelynW

OK lets do those then.

- xapproachesinfinity

https://app.prntscr.com/en/index.html
this could be a good tool for you

- JozelynW

ok

- JozelynW

thank you @xapproachesinfinity just downloaded it.

- JozelynW

time to graph the other ones

- 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(â€“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

because I'm so used to -f(x)
but that's -24(1.2)^x which I don't need.

- JozelynW

well the x is only negative like f(-x) -1,2 -5,10

- UsukiDoll

-_- ok I feel crummy for seeing that site just now. let me experiment on something

- JozelynW

k

- UsukiDoll

YUP *facepalm* it is possible to do reflection on desmos...it's also possible to have to manually input the f(x)

- UsukiDoll

I've learned something new today T_T

- 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

my brain is not really here so how do I retrieve from "paint"

- JozelynW

what about f(x+2)

- UsukiDoll

I feel like a dork ... but then again I didn't know

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- UsukiDoll

look at the recent screenshot... see how what I did earlier wasn't necessary?

- JozelynW

ok than you so much that was the last question i needed help on

- UsukiDoll

I almost got the same thing...except for the reflection part.. that one was way off.

- JozelynW

the reflection is wrong

- JozelynW

??

- 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

|dw:1434518008207:dw|

- 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

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

oh so like this

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- UsukiDoll

yes exactly... #5 on my screenshot is what I had and I knew that was wrong.

##### 1 Attachment

- JozelynW

ok so i can put the graph in my word file

- UsukiDoll

not mine though (since I have one too many) .. but yes you can put your graph in your word file.

- JozelynW

k thank you and good night. I have one last question what grade are you in/

- 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

I'm not in any grade level xD .. it's been years since someone asked me that

- JozelynW

you finished school , you still remember this

- UsukiDoll

I'm in university ...I ask very hard questions...:D

- JozelynW

OK, any way once again thank you .I'm now closing the question in 10 sec

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