A frog sitting on a stump 4 feet high hops off and lands o the ground. During her leap, the frog's heighth in feet is
given by the equation h = -0.5d2 + d + 4, where d is the
horizontal distance in feet from the base of the stump.
A: What was the frog's maximum height?
B: How far from the stump did the frog land?
C: When did she reach maximum height?
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