One of the photographs that they want to enlarge is a 3" x 4" photo. Katie says that she can enlarge the photo to a 9" x 12" , but Jacob disagrees. He
says it will be 11" x 12". Who is correct? Explain your reasoning in words. *

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