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Mathematics 7 Online
OpenStudy (thecalchater):

Help a bunch of calculus?

OpenStudy (thecalchater):

check this one? (0, inf) (-inf, inf) always increasing. D I don't know @jdoe0001 @jhonyy9

OpenStudy (thecalchater):

@freckles

OpenStudy (freckles):

check c?

OpenStudy (thecalchater):

Would it be down because it looks like a n ish?

OpenStudy (freckles):

did you find the derivative of the given function?

OpenStudy (freckles):

You will need to do this to determine where it is increasing or decreasing

OpenStudy (thecalchater):

It is always increasing.

OpenStudy (freckles):

ok sounds good to me is that the one you wanted me to check?

OpenStudy (freckles):

it is increasing on its domain

OpenStudy (freckles):

did you ever figure out the domain ?

OpenStudy (thecalchater):

No part D. I don't know if the concavity is up or down i think it's down.

OpenStudy (freckles):

find the second derivative

OpenStudy (thecalchater):

-2/x^2

OpenStudy (freckles):

we already know x>0 is the domain right and x^2 is always positive so -2/x^2 is always ?

OpenStudy (thecalchater):

negative so downward!

OpenStudy (freckles):

yea

OpenStudy (thecalchater):

thx I have a few more give me a second.

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