Question: A projectile fired vertically up from the ground with an initial velocity of 128 ft/second will hit the ground 8 seconds later, and the speed

A projectile fired vertically up from the ground with an initial velocity of 128 ft/second will

hit the ground 8 seconds later, and the speed of the projectile in terms of the elapsed time t equals

|128 32t|. Graph the function s = |128 32t|.

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