the diagram shows trapazoid bcde. csd=15 inches de= 10 inches and be= 21 inches. what is the arena of trapezoid bcde. if necessary round to the nearest tenth

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

i think it might be a but you might want a second opinion