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Mathematics 15 Online
OpenStudy (anonymous):

HELP:)

OpenStudy (anonymous):

OpenStudy (anonymous):

What Is It

jimthompson5910 (jim_thompson5910):

we have p(x) = f(x)*g(x) what is p ' (x) equal to?

OpenStudy (anonymous):

p'8

OpenStudy (anonymous):

=6

jimthompson5910 (jim_thompson5910):

you got p ' (8) = 6 ?

OpenStudy (anonymous):

oh you want me to do the derivative of p'8?

jimthompson5910 (jim_thompson5910):

yeah p ' means "derivative of p"

OpenStudy (anonymous):

i thought we would first find p'8=?? and then that something find the derivative

jimthompson5910 (jim_thompson5910):

p(x) = f(x)*g(x) which is given

jimthompson5910 (jim_thompson5910):

derive both sides with respect to x to get p'(x) = f'(x)*g(x) + f(x)*g'(x)

jimthompson5910 (jim_thompson5910):

I used the product rule to derive the right side

jimthompson5910 (jim_thompson5910):

then you plug in x = 8 p'(8) = f'(8)*g(8) + f(8)*g'(8) p'(8) = ???

jimthompson5910 (jim_thompson5910):

hmm I guess that's hard to see here's a better look |dw:1411182194791:dw|

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