Solve the problem.A projectile is fired from a cliff 100 feet above the water at an inclination of 45° to the horizontal, with a muzzle velocity of 210 feet per second. The height h of the projectile above the water is given by
where x is the horizontal distance of the projectile from the base of the cliff. How far from the base of the cliff is the height of the projectile a maximum?
A. 344.53 ft
B. 1133.59 ft
C. 444.53 ft
D. 689.06 ft
Answer: D
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