PERFORMANCE TASK (2:00-3:00) Directions: Read each problem carefully and solve as required. Then answer the questions that follow. Use a separate sheet of paper. (10pts.) 1. A ball was thrown upward from a height of 6 feet with an initial velocity of 32 feet per second. The height S at any given time t is given by s(t) = -16t2 + 32 + 6, where s(t) is measured in feet and t in seconds. a. Find the maximum height the ball reached before it begins falling. b. Find the time when the maximum height is reached.
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when ferrous metals corrode. Rust is the common name for the chemicals that result when iron reacts with oxygen and water. ... We do not speak of silver or copper “rusting.” Inst
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