Do you even know what a function is, stupid. A function is an equation that passes the vertical line test. go graph it bitc h
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Assuming the standard x and y axes, the range is the maximum value of y minus minimum value of y; and the domain is the maximum value of x minus minimum value of x.
Yes.
x2 - y2 + 9x - 9y =(x2 + 9x) - (y2 + 9y) =x(x + 9) - y(y + 9)================================Another way to go after it:x2 - y2 + 9x - 9y =(x2 - y2) + 9x - 9y =(x + y) (x - y) + 9 (x - y) =(x + y + 9) (x - y)
2x+3y=13 3x-y=3 x=2
f(x) or y = 6x + 4Well, y= mx+ b This function is simplified already.