(Question 9) 8 points Graph of the position function of a pa…
(Question 9) 8 points Graph of the position function of a particle is shown, where t is measured in seconds. a. When the particle is speeding up ? (Enter your answers using interval notation.) b. When the particle is slowing down ? (Enter your answers using interval notation.)
Read Details(Question 6) 12 points (a) On what intervals is f increasin…
(Question 6) 12 points (a) On what intervals is f increasing ? (Enter your answer using interval notation.) (b) On what intervals is f decreasing ? (Enter your answer using interval notation.) (c) At what value(s) of x does f have a local maximum ? (Enter your answers as a comma-separated list.) (d) On what interval(s) is f concave upward? (Enter your answer using interval notation.)
Read Details(Question 8) 12 points The population, , in thousands, of a…
(Question 8) 12 points The population, , in thousands, of a certain city is given by where t is the number of years since . At what average rate does the population change from to ? Include correct units. Find . What does this value represent in the context of this problem? Include correct units.
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