A prewritten formula known as a (n) ________ looks at one or more values, performs an operation, and returns a value

A ________ is a marker that divides a document into different segments or parts

Fill in the blank(s) with correct word

3D graphics are based on vectors stored as a set of instructions describing the coordinates for lines and shapes in a three-dimensional space. What do these vectors form?

A. A bitmap graphic B. A zipped file C. A wireframe D. All of the above