A man wants to fence two separate lots with a 300m fence. A lot is a square and the other is a rectangle twice as long as it is wide. Find the minimum area of the two lots.

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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

b.-4 units

all you   do is count how many times you move

the answer is d

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