+_+_+_+_+__+_+_+_HI+_+_+__+_+_+__+_ +__+

+_+_+_+_+__+_+_+_HELLO+_+_+__+_+_+__+_+__+

+_=hello+-_=+_+;_;

hello from mrbilldoesmath!

answer:

the domain is the set { -2, 0, 2, 3}

discussion:

the domain is the set of x values in the ordered pairs (x,y). taking the x, or first component, of each ordered pair gives   -2, 0, 2, 3.

you,

mrb

6mm^3 or .6cm^3

      216

      /   \

  36     6

  /   \     /

6     6   6

factor trees are nice.