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Algebra
Pregunta

A bird starts a parabolic path $$5$$ metres above a lake when it spots a fish under the water. Two seconds after its descent it enters the water, catches the fish, and emerges after $$4$$ seconds from the beginning of its descent. If it continues to follow the same path, how high will it be above the water after $$5$$ seconds?

$$y= \frac{5}{8} (x- 3)^2- \frac{5}{8}$$
When x=5, y=$$\frac{15}{8}$$