mathsucksalot123
OMG please help me :) attached pictured yo.
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brinethery
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This is so easy. What is y when x=1? What is y when x=2? when x=3? And so on.
brinethery
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Nm, didn't see that that's the derivative. One sec.
mathsucksalot123
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haha ok
TheOneGuy
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It looks like it would be simple - but where is the original function
brinethery
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Okay, so we start at f(0) = 3. Well at f'(1), the slope is -4. So for finding f(1), we can start at f(0)=3. Then go down 4 on the y-axis and then go right 1 on the x-axis. Not sure how correct this is, let's see what others have to say.
TheOneGuy
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Oh duh, ya you're on the right track brine
mathsucksalot123
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Im still confused.
brinethery
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Ugh, me too.
mathsucksalot123
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haha tricky biz
brinethery
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So I think f(1)=-1. Then go down 4 and over 1 to the right again. Then you'll have f(2)= -5
mathsucksalot123
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hmm let me look at it
mathsucksalot123
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That could be it. I just have to be certain cuz it gives me like one or two chances
brinethery
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I see. Does your book have any examples similar to this? I know how much of a pain these online assignments can be.
mathsucksalot123
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No hahah it does but it so doesnt help at all
brinethery
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Okay if you can give me a sec, I found a similar HW problem from Rogawski's book and I can get you a soln from cramster. Hopefully, it'll help a little.
mathsucksalot123
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thank you so much
brinethery
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crap, I keep running into a brick wall. When do you have to turn this in?
brinethery
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@pippa Are you good at these?
mathsucksalot123
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Im tryingt o get it done tonight
mathsucksalot123
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Do you think ur original idea is right
brinethery
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Now I'm thinking that you should start 0,3 and the function curves down until it gets to x=1. Seems to me like f(1)=2. But in all honesty, I would repost this question. Then go back and deletes this old post. Try to ask people in the chatbox as well.
brinethery
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This is SUCH a visual thing and I can't believe they would ask something like this. I mean, you can understand the concept perfectly but still get this one wrong. :-(
brinethery
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*delete
mathsucksalot123
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ok thanks!
brinethery
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I'm sorry I can't give you a straight answer, I feel bad.
mathsucksalot123
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Don't feel bad!
brinethery
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After you repost this question, go back and delete the old post.