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Section 3.1 Assignment Question 1 of 20 - /1 ... View Policies Current Attempt in Progress With t in years since 2016, the height of a sand dune (in centimeters) is f(1) = 750 - 41. Find f(5) and f' (5). Using units, explain what each means in terms of the sand dune. f(5) = i f' (5) = In the year i the sand dune will be cm high and eroding at a rate of centimeters per year. e Textbook and Media Save for Later Attempts: unlimited Submit AnswerSection 3.1 Assignment Question 15 of 20 - /1 ... View Policies Current Attempt in Progress Find the relative rate of change f' (1) f (t) at the given value of t. Assume t is in years and give your answer as a percent. f(1) = 21' + 10;1 = 4 Round your answer to one decimal place. f' (t) % f (t) i eTextbook and Media Save for Later Attempts: unlimited Submit AnswerSection 3.1 Assignment Question 16 of 20 - /1 ... View Policies Current Attempt in Progress Given f(x) = x4 - x2 + 1 approximate f (1.04), using the tangent line approximation. NOTE: Give an approximation accurate to two decimal places. f (1.04) ~ e Textbook and Media Save for Later Attempts: unlimited Submit AnswerSection 3.1 Assignment Question 17 of 20 - /1 ... View Policies Current Attempt in Progress If f (t) = 14 - 3t2 + 5t, find f'(t) and f"(t). f' (t) = f" (t) = e Textbook and Media Save for Later Attempts: unlimited Submit Answer6 Section 3.1 Assignment Question 18 0120 ,f'] E 3 Answer the following questions for the function km?) : :c cc 1: (a) The derivative at a: : l is k'(1) : l:' (b) The second derivative at 3: : 1 is k\"(1) : l:' (c) Use your answers to parts (a) and (b) to match the function k'(:6) to one of the graphs in the following gure) each of which is shown centered on the point (1,1). / /'\\ PTPrfhnnk and Media 6 Section 3.1 Assignment Question 19 0120 ,f'] E Answer the following questions for the function 90:):1'43222x3: (a) The derivative at :1: = l is SITl) = I: (b) The second derivative at I = 1 is g\"(1) = [:1 (c) Use your answers to parts (a) and (b) to match the function 9(3) to one of the graphs in the following gure, each of which is shown centered on the point (1, 1). D (I) D (II) V D am 0 (m / A 6 Section 3.1 Assignment Question 20 0120