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Mathematics 10 Online
OpenStudy (boldjon):

can someone help me please when i got on the question i was like (ಠ_ಠ) so please help for medal https://www.dropbox.com/s/tg3z58dpm3cgftn/Screenshot%202015-12-30%2021.27.30.png?dl=0

OpenStudy (bahrom7893):

The graph is positive, meaning it's above the x axis, the graph is decreasing, meaning it's slope is negative.

OpenStudy (bahrom7893):

On which x interval does that occur?

OpenStudy (bahrom7893):

*its slope

OpenStudy (boldjon):

c

OpenStudy (boldjon):

i see that in c

OpenStudy (bahrom7893):

Why would you say C? So C is between 1 and 3. When x = 1, the graph is clearly below the x-axis.

OpenStudy (boldjon):

ohh then it's gotta be d

OpenStudy (bahrom7893):

What about the decreasing part? Stop guessing.

OpenStudy (boldjon):

argh ok i'll stop the x is lesser than 1 but the graph is going up

OpenStudy (bahrom7893):

remember, you read the graph left to right. That's how you tell whether the graph is going up or down. Now where is the graph going down?

OpenStudy (boldjon):

at -1,4?

OpenStudy (boldjon):

i mean -1,-4

OpenStudy (boldjon):

wait that's the vertex right

OpenStudy (boldjon):

@bahrom7893

OpenStudy (boldjon):

so A

OpenStudy (bahrom7893):

|dw:1451529872588:dw|

OpenStudy (bahrom7893):

|dw:1451529914530:dw|

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