Company 2 charges $4600 for the first 550 feet of fence and $29 for each additional foot. Find the cost if Company 2 completes the job. Show your work. The total fencing is 615.21

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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