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wait, so are there inflections of teh sqrt(f(x)) or not?

ok i drew two graphs, which on eis correct?

I fed question 1 to integrator. it came out with a really long log expression??!?!

yeh you too sorry don't have any of the answers.

Lol i have an assessment tomorrow as well!

1. dx ∫ --------------- (4x3-3x)sqrt(1-x2) 2. Let tn=∫[pi/2-->0]xsinnxdx Prove that tn=1/n2+[(n-1)/n]*tn-2 3. Prove In=∫[pi/2-->0]cos2nxdx=[pi(2n)!/22n+1(n!)2] 4. Given that If I2n+1=∫[1-->0]x2n+1ex2dx Prove that I2n+1=e/2-nI2n-1 That's all for now thanks.

I drew another one can someone tell me which one it is?

oh ok, but sometimes you get graphs which don't have inflections but after taking sqrt you get an inflection. i just need to know what kind of shape it is. e.g. does it branch off like a parabola or cubic etc. i drew a diagram, it's just the shape of the red branch. thanks again

When drawing graphs with sqrt(f(x)), how do you know when the branch has an inflexion point or not, without differentiating? thanks

okie thanks

For a question liek given f(x) draw sin[f(x)], what are the critical points you go for to help you sketch? thanks

thanks

Alrigth, thanks riviet

Can anyone tell me? thanks

- process and analyse information from secondary sources to evaluate the effectiveness of quarantine in preventing the spread of plant and animal disease into Australia or across regions of Australia - gather and process information and use available evidence to discuss the changing methods...

Ok then

What tense is the Discussion supposed to be in? What tense is the Conclusion supposed to be in? What do you have to write in the conclusion? Thanking You

Oh, thanks a lot tennile and pluvia!

Ok thanks everyone

hmmm... do you know where i could get a copy of anyone's prac?