a few BC calc questions.

I

ihatecalc

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1.) If f'=0 at x=2, how do I find f''(2)? What happens in f'' when f'=0?

2.) Again, how do I find f'' of any random number? (example: find f''(0.5)) when i am given only the graph of f?

3.) How do I find g' of any number when given the graph of g''?

4.) I am given a graph of g''. The questions states, *Suppose that g'(0)= -4. Is g increasing or decreasing at x=2?* How do I figure this out?

Please help me if you can, I am struggling in this class!
 
These questions are far too vague to really know what is meant.
If we could see the graph that goes with these question, maybe.
There must be more to the questions.
 
they're not ALL that vague.. im sure someone will be able to answer some of them at least.

such as how to find f'' from a graph of f. the graph is not really necessary for that one. please help if you know how to :?
 
ihatecalc said:
they're not ALL that vague.. im sure someone will be able to answer some of them at least.
Click to expand...
Here is 42 years of experience of teaching the Calculus saying to you GOOD LUCK!
 
1) With only the posted information, there is no possible way to answer this question. Sorry.

2) To find the second derivative of f, differentiate the first derivative of f. If you are given only the graph of f, then consider what you learned about the Second Derivative Test. (This topic was likely at least one class period; we can't re-teach that here, but I'm sure you can find lessons online.)

3) You can't.

4) Without being able to see the graph, there is no way for us to answer this question.

ihatecalc said:
they're not ALL that vague....such as how to find f'' from a graph of f.
Click to expand...
To teach you, in general, how to guess at the derivative from a graph, would require a classroom and at least half an hour of one-on-one instruction (assuming you're pretty good with slopes and graphs). The other conceptual areas would require even more time. We simply cannot replicate that within this environment.

If you really do need lessons of this sort, please consider hiring a tutor with whom you can work face-to-face on a daily basis (or at least a few hours a week). But I'm afraid we just can't cover vague generalities and broad concepts here.

Thank you for your understanding.

Eliz.
 
ok i guess my questions didnt make sense... sorry about that. thanks for trying to help. :?
 
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