Answer:
Step-by-step explanation:
f'(x)=-sin x

c=0∈(-π/3,π/3)
There is 1/2 2/4 3/6 4/8 5/10 6/12 7/14 8/16 9/18 10/20 and so on
To find the cost per week, divide the total cost by how many weeks you are signing up for.
Total cost / number of weeks = cost per week
$325 / 13 weeks = $25 per week
The cost per week is $25 for swimming lessons.
A, basic calculator math hope this helps
Divide 138.16 by 3.14. This gives a diameter of 44 meters.
Hope this helped :)