we can use formula
now, we can find a and b
Initially , price is 500
so,
At
now, we can plug back
At
we can use it and find b
now, we can solve for b
and we get
so,
annual depreciation rate is 27.144%.......Answer
I really need help with my take home test. The problem is f(x)=(x-7)/2, what is the value of (f°f^-1)(3). Really struggled with
2 answers:
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So in order to get all the fractions to have a common denominator, we need to multiply by
, and
by
:
Now,
As long as and
(which we can't have because otherwise
), we can cancel
in the denominators on both sides:
We can factorize the right side:
which tells us that and
are solutions.
