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Mathematics 20 Online
OpenStudy (anonymous):

Help!

OpenStudy (dan815):

you are getting spoiled

OpenStudy (anonymous):

OpenStudy (anonymous):

how come part i the answer is 2?

OpenStudy (anonymous):

my calculus exam is tmr so im going turbo haha xD

OpenStudy (anonymous):

from the right it's 2 but from the left it's 0

OpenStudy (dan815):

lim x-->2- = 0 lim x--->2+ = 2

OpenStudy (dan815):

a function is not differentiable when the function approaching different values at point, when u check from the right or from the left of that poin

OpenStudy (dan815):

a function is not differentiable also when the slope of the function is not equal at that point when u check the slope from the left and from the right

OpenStudy (anonymous):

i see so you look at the y values at left of right of x=2. im just kinda confused by the dots

OpenStudy (dan815):

use draw command and label the points you think are not differentiable at

OpenStudy (anonymous):

not differentiable? that would be x=-1,and x=2 right?

OpenStudy (dan815):

no

OpenStudy (anonymous):

x=-1 slope changes, x=2 not continuous.?

OpenStudy (anonymous):

hahaha om im dead

OpenStudy (anonymous):

oh shoot i mistyped its suppose to be x=1 haha

OpenStudy (dan815):

there are more points

OpenStudy (anonymous):

0, and 4 also?

OpenStudy (dan815):

ok

OpenStudy (anonymous):

ahh so u mean unshaded dot not differentiable? okay got it..

OpenStudy (dan815):

actually i dont know about those holes..

OpenStudy (dan815):

look at differentiable rules online

OpenStudy (anonymous):

haha okay okay thanks! (:

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