The following table shows the height at half-second intervals of a rock that breaks free from the top of a 310-foot-tall cliff and falls without obstruction to the river below. Time t (in seconds) Height h (in feet) 310 0.5 306 1.0 294 1.5 274 2.0 246 2.5 210 3.0 166 Step 2 of 3: The quadratic function of best fit that models the height of the rock after t seconds is h(t) = - 16t2 + 310. What is the calculated quadratic-model height of the rock at time = 0? Round your answer to the nearest foot, if necessary.

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