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Critical points are points where the derivative is zero.

Of course, differentiate first :)

ok.. i got x=0, x=2

is my answer correct?

so that will be disregarded right? so i will have 2 for the value of x

owh.. i see

so what next? how will i graph?

can you factor out 5x^(1/3) from 5x^(2/3)−10x^(−1/3)?

You can... but why would you do that?

what will be the answer if you would factor out that one? 5x^(-1/3)
i got a little confused

I think it leads nowhere :)

owh.. lol.. so x = 1/50?

yeah :)

Hang on, I may have made a mistake.

Okay... apparently, 2 was right.

sorry.

yehey :D
so.. what to do next ?

you shouldn't include 10 in the denominator.. it should be on the numerator :D

yeah that :)
sorry about that.
I might be getting drowsy.

And as far as I know... we're done.

that's ok.. :))

We already have the critical points.

then how to graph?

owh.. that'll be okay then.. thanks for the help! :D

No problem :)