there are 320 seats in the airplane. passengers are taking 3/5 of the seats. There are 47 seats being used by flight attendants.
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Answer:
This proves that f is continous at x=5.
Step-by-step explanation:
Taking f(x) = 3x-1 and , we want to find a
such that
At first, we will assume that this delta exists and we will try to figure out its value.
Suppose that . Then
.
Then, if , then
. So, in this case, if
we get that
. The maximum value of delta is
.
By definition, this procedure proves that . Note that f(5)=14, so this proves that f is continous at x=5.