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Which of the following equations has a vertex of (3, -3) ?
\(f(x)=x^2+8x+12\)
Which of the following answer choices is an equivalent form of the function shown above, where the x and y coordinates of the vertex are shown as constants or coefficients?
Which of the following equations represents a parabola that opens downward and has a vertex of \((-2,-4)\)?
The function h is defined by \(h(x)=(x-1)(x+4)\).
The graph of h in the xy-plane is a parabola. The x-coordinate of the vertex of the graph of h is contained by which of the following intervals?
\(g(x)=(x-2)(x-4)\)
Which of the following answer choices is an equivalent form of the function shown above, where the x and y coordinates of the vertex are shown as constants or coefficients?