Algebra
posted by Soly .
Please check my answers.
Find the coordinates of the vertex for the parabola defined by the given quadratic function.
1.f(x) = (x  4)2  4
I got (4,4)
Find the axis of symmetry of the parabola defined by the given quadratic function.
3.f(x) = (x + 2)2 + 7
I got: x=2
Find the range of the quadratic function.
5.f(x) = 7  (x + 4)2
I got: (inifinity,7]
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