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Mathematics 17 Online
OpenStudy (study_buddy99):

help me graph? I give medals!

OpenStudy (study_buddy99):

\[2\sqrt{x+4}-3\]

OpenStudy (sweetburger):

this is set equal to y right?

OpenStudy (study_buddy99):

f(x)

OpenStudy (sweetburger):

Alright. do you know what the graph of \[\sqrt(x)\] looks like?

OpenStudy (study_buddy99):

|dw:1456201993102:dw|

OpenStudy (sweetburger):

Alright now do you know which shifts are being applied to the graph?

OpenStudy (study_buddy99):

reflecting over x-axis left 3 up 5

OpenStudy (sweetburger):

wait a second. What indicates whether the graph is reflected over the axis?

OpenStudy (sweetburger):

function *not graph*

OpenStudy (study_buddy99):

hold on I'm sorry I thought I asked a different question xD

OpenStudy (study_buddy99):

okay shifts are: stretch 2 left4 down 3

OpenStudy (sweetburger):

Ok yes thats correct. So do you know where to place your startpoint now?

OpenStudy (study_buddy99):

not really i don't understand the stretch

OpenStudy (sweetburger):

In this case I think its a vertical stretch/horizontal shrinkage. So you dont have to worry about that when creating your start point. You start at 0,0 move 4 to the left and then 3 down and this your start point.

OpenStudy (sweetburger):

From there the stretch works like this

OpenStudy (sweetburger):

|dw:1456202499068:dw|

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