30 apples bc 5x6 (5 six times) =30
34 + x = 63
x = 63-34
x = 29
The answer is $4.86
12.96 divided by 8 equals 1.62
1.62 •3= $4.86
If

then the derivative is

Critical points occur where
. This happens for



In the first case, we find

In the second,

So all the critical points occur at multiples of
, or
. (This includes all the even multiples of
.)
-$70 is her balance after withdrawing the forty dollars