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anonymous
 one year ago
Find dy/dx at x=0 given y=u−(3/u) and u=(1x+1)^4.
a) dy/dx=17
b) dy/dx=14
c) dy/dx=18
d) dy/dx=16
e) dy/dx=19
anonymous
 one year ago
Find dy/dx at x=0 given y=u−(3/u) and u=(1x+1)^4. a) dy/dx=17 b) dy/dx=14 c) dy/dx=18 d) dy/dx=16 e) dy/dx=19

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anonymous
 one year ago
Best ResponseYou've already chosen the best response.0\[y=u\frac{3}{u} \qquad u=(x+1)^4\]\[y=(x+1)^4 \frac{3}{(x+1)^4}\]

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0yes, but what is the derivative?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Now simplify the function so you would only have to apply the power rule in solving it: \[y=(x+1)^4 3(x+1)^{4}\]

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Do you know how to apply the power rule here?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0So what would you do?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0I get 4(x+1)^3+12(x+1)^5

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0\[4(x+1)^3 +12(x+1)^{5} \implies 4(x+1)^3 +\frac{12}{(x+1)^{5}}\]
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