Try this solution, note, the suggested option is not the shortest way.
Multiply. Find an exact answer and an estimated answer. 2 1/5•4 1/3. (Simplify your answer. Type an integer, proper fraction, or
1 answer:
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By the chain rule,
It looks like we're given
where <em>a</em> and <em>b</em> are presumably constant.
Recall that
so that
Then we have
where the last reduction follows from dividing through everything by and simplifying.
I'm not sure at which point you're supposed to evaluate the derivative (22/7*4, as in 88/7? or something else?), so I'll leave that to you.
