The answer is 116.16 thank you and please mark as brainliest enjoy your day.
We are given equation of total campsite charge

where
C is total campsite charge C (in dollars)
d is the number of days that the site is rented
so, here we will have
C is y-axis or dependent variable
d is x-axis or independent variable
we can find any two points and then we locate it
after that we can join them to get our graph
At d=0:


so, our point is (0,8)
At C=0:



so, our point is 
now, we can locate these points and then join it
Answer:
π
Step-by-step explanation:
The standard form of the sine function is
y = a sin(bx + c)
where a is the amplitude, period =
and
phase shift = - 
here b =
, c = - 
phase shift = - 
=
× 2 = π