A projectile is fired in the air from a height of 125 feet. Its velocity (in feet per second) t seconds after launch is f(t), given in the following table. 5 15 20 215 169 150 X f(x) a) How fast is the projectile traveling 15 seconds after launch? feet per second. b) How far does the projectile move between 5 seconds and 25 seconds? Estimate 3412.5 feet. c) How far does the projectile move between 0 seconds and 15 seconds? Estimate feet. 0 234 10 196 25 120 30 109

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