A sphere and cylinder have the same radius and height. the volume of the cylinder is 18cm^3. what is the volume of the sphere? a.12cm^3
b.24cm^3
C.36cm^3
D.54cm^3

For which of these functions is function composition commutative with ƒ(x) = (x + 1 /3x − 2) ? a - g(x) = (3x − 2/x + 1)b - g(x) = (3x − 3/x + 2)c - g(x) = (2x + 1/3x − 1)d - g(x) = (2x − 1/3x + 1)