Question

The function V(r)=10πr2 represents the volume of a cylinder that is 10 inches high with a radius of r. Which is the correct interpretation for the function notation V(3)=90π?(1 point)
Responses

A cylinder of 90π is produced from a radius of 3.
A cylinder of 90 pi is produced from a radius of 3.

The volume of the cylinder is 3 when the radius is 90π.
The volume of the cylinder is 3 when the radius is 90 pi .

The volume of the cylinder is 90π when the radius is 3.
The volume of the cylinder is 90 pi when the radius is 3.

A radius of 3 gives the value 90.
A radius of 3 gives the value 90.

Answer 1

"The volume of the cylinder is 90π when the radius is 3."

(Plugging r = 3 into V(r) = 10πr^2 gives V(3) = 10π(3^2) = 90π cubic inches.)