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Mathematics 9 Online
OpenStudy (anonymous):

Please help! Picture included.

OpenStudy (anonymous):

OpenStudy (misty1212):

HI!!

OpenStudy (misty1212):

the function changes at \(x=1\) right?

OpenStudy (anonymous):

I have no idea :/ I'm really confused with what the questions are asking for Part 2 especially

OpenStudy (misty1212):

erase the line to the left of \(x=1\) and erase the parabola to the right of \(x=1\)

OpenStudy (anonymous):

Wait so just the entire left side?

OpenStudy (misty1212):

your function is two different things right? one part is a parabola, the other is a line

OpenStudy (misty1212):

it changes at 1

OpenStudy (misty1212):

to the left of 1 it is a parabola to the right of 1 it is a line

OpenStudy (misty1212):

here is a nice picture http://www.wolframalpha.com/widgets/view.jsp?id=5075763dba6ec763f31004272f8aa7fa

OpenStudy (misty1212):

ok that didn't work, but you can fill it in for yourself to see what it should look like i can't send it with fields filled out

OpenStudy (anonymous):

wait let me take a picture with the erased parts bc i'm not sure if i erased it correctly

OpenStudy (anonymous):

@misty1212

OpenStudy (misty1212):

yeah good job!

OpenStudy (anonymous):

yayy that's c right? how would i do d

OpenStudy (misty1212):

closed circle goes on the parabola, because of the \(x\leq 1\) open circle on the line because of \(x>1\)

OpenStudy (misty1212):

get rid of the arrows

OpenStudy (anonymous):

do i put circles at the end of each line and parabola

OpenStudy (anonymous):

oh okay thank you! :)

OpenStudy (misty1212):

|dw:1436842571269:dw|

OpenStudy (anonymous):

i don't put it on the other side?

OpenStudy (misty1212):

nope

OpenStudy (misty1212):

just at the break

OpenStudy (anonymous):

okay thank you so much!!

OpenStudy (misty1212):

\[\color\magenta\heartsuit\]

OpenStudy (usukidoll):

I'm going to add some information. So basically, we were given a piecewise function \[x^2, x \leq 1 \] this means that when our x is less than or equal to 1 we have to graph \[x^2 \] since we we have \[\leq \] we draw a closed circle. This also applies when we have \[\geq \] ( we draw a closed circle) \[2x+1, x > 1\] this means that our x is greater than 1. So on the graph, we draw 2x+1 after x = 1 since we have > we draw an open circle. This also applies when we have < (we draw an open circle. So our graph will look at this |dw:1436843159513:dw|

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