Posted by Robin on Tuesday, June 18, 2013 at 2:41pm.
Find the outside and inside functions of the following to find their derivatives:
I already know how to find their derivatives I'm just not exactly sure what parts of the chain rule equation would be considered the outside and inside.
- Calculus - Steve, Tuesday, June 18, 2013 at 3:32pm
The chain rule says that if we have u(x) and f(u(x)),
df/dx = df/du * du/dx
f is the outside function, u is the inside.
So, in the first case
f(u) = √u
u(x) = 2x+9
f(u) = cos(u)
u(x) = cos(x)
#3. Is almost a trick question.
f(u) = tan(u)
u(x) = x
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