Write the Equation of the Quadratic Function Whose Graph Is $y = - 16 x ^ { 2 } + 112 x + 128$

question 88

Multiple Choice

Write the equation of the quadratic function whose graph is a parabola containing the given points.
-An egg is thrown upward from the top of a 128-foot-high building. The ball is 224 feet above ground level after 1 second, and it reaches ground level in 8 seconds. The height above the ground is a quadratic function of the
Time after the ball is thrown. Write the equation of this function.

• A) \(y = - 16 x ^ { 2 } + 112 x + 128\)
• B) \(y = - 16 x ^ { 2 } + 144 x + 128\)
• C) \(y = - 16 x ^ { 2 } + 56 x + 128\)
• D) \(y = - 16 x ^ { 2 } + 16 x + 128\)

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