Y - 0.8x = 0.5 5y - 2.5 = 4x
*Substitution
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What is the slope of the line that contains the points (4,8) and (9,8)? what type of line is it?

What is the size of the matrix resulting from

What is the domain of the given function? {(3,-2), (6, 1), (-1, 4), (5,9), (-4, 0); o {x | x= -4,-1, 3, 5, 6} o {yl y = -2,0, 1,4,9} o {x|x = -4,-2, -1,0, 1, 3, 4, 5, 6, 9} o y y = 4,-2, -1, 0, 1, 3, 4, 5, 6, 9}