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©Zarestky Math 142 Quiz 5 Version A 3/3/2011 NAME:______KEY__________________________________ Use the graph below of y = f (x) to answer all questions. You may assume that any critical values or inflection points occur at integer values of x. (Scale: Each box represents one square unit.) – 1. (4 pts) Complete the sign chart for f ! by filling numbers in the boxes and labeling the intervals as positive or negative. + –4 2. (2 pts) Complete the sign chart for f !! . + – – –3 + 2 + – – 0 3. (2 pts) Identify the locations of any local maxima or minima, if any. Local max at x = __none________ Local min at x = __–4, 2________ 4. (2 pts) Determine the order (from greatest to least) of the instantaneous rates of change at x = −1, 1, 3, 4. Greatest: x = __3_____ Second: x = _4______ Third: x = ___–1____ Least: x = ___1____