Hey all, fisrt of all i'm not sure if this should go here or not but I didn't know where to post it... I'm having a bit of trouble with math and hoping someone can explain it to me.

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Water is being poured into a container as illustrated below at a constant rate. The height of the water level is then recorded every second. Draw the graph of the height of water level versus time for this container.

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Basically I'm not sure how to draw the graph, I'm not sure what values to use etc. Can anyone help me out? I just need to know what values to use and why I have to use those values..

Thanks :)