You have saved up $150,000 to invest for retirement. You would like to earn $200,000 in interest, and you think you will earn an
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Answer:
Step-by-step explanation:
\
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.