The to this question is that it is a function
800pi metres³, the last answer.
This is because the formula to use in this situation is pi multiplied by the radius² multiplied by the height.
As pi was not given in this question, you leave it as it is (the sign for pi instead of 3.14 etc)
Therefore, the volume of the cylinder is pi multiplied by 10m² multiplied by 8m, which is equal to 800pi metres³.
Answer : (0,3) U (3, ∞)
We need to find the interval(s) over which the function is decreasing
We look at the intervals of x where the graph is decreasing
Decreasing interval of the graph is the part where the graph goes down
We look at the part where the graph changes direction
In the middle inverted U shaped graph , the graph changes direction and start decreasing at x=0
the graph is decreasing till x=3
so first decreasing interval is x=0 to 3. we write it as (0,3)
After x=3 the graph starts decreasing and it goes to infinity
So the second decreasing interval is 3 to infinity . We write it as (3, ∞)
Now combine both intervals by a 'U' union
(0,3) U (3, ∞)
Answer:
(-2,-25)
Step-by-step explanation:
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