Im mixing a galloon bucket of windo cleaner i must mix 1 part cleaner to 3 part water how much cleaner do i use

you can first factor out the n to get n(1+5). we know that 1+5 is 6, so we just have 6n.

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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