A number divided by 7 equals 3/21

Let the closed interval [a , b] be the domain of function f. the domain of f(x - 3) is given by (a) the open interval (a , b) (b) the closed interval [a , b] (c) the closed interval [a - 3 , b - 3] (d) the closed interval [a + 3 , b + 3]

Alogical argument that is presented in graphical form using boxes and arrows is called?

The radius of a sphere is 3 inches. which represents the volume of the sphere?