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x+2y=12
find intercept
a circle equation x^2+y^2+4x-4y-1=0 and graph
2)find domain and range f(x)=x^2-4x-5
find vertex of f(x) =x^2+4x-21

asked by zach w
  1. (12,0) and (0,6)
    center at (-2,2) radius 3
    domain all reals, range all reals >= -9
    (-2,-25)

    posted by Steve

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