Which of the following form is correct for a quadratic function graph?
It is true the concave up (U-Shaped) quadratic function graph has a maximum point?
(A) \(m(m-5)(4-m)\)
(B) \(4.5k - 0.5k^2\)
(C) \(\sqrt{(x^2+x+1)^2}\)
(D) \((q^4)^\frac{1}{2}+\sqrt2\)
The concave down quadratic function graph has a \(\underline{\hspace{2cm}}\) point.
The concave up quadratic function graph has a \(\underline{\hspace{2cm}}\) point.
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