Question: can you solve the question in the screesnhot WeBWork : 2020W1_MATH_10 X 59ac92aab-ec4a-3313-95d1-8 + -> C webwork.elearning.ubc.ca/webwork2/2020W1_MATH_104_ALL_2020W/webwork9/5/ O * v Update : Apps s Updated

can you solve the question in the screesnhot

WeBWork : 2020W1_MATH_10 X 59ac92aab-ec4a-3313-95d1-8 + -> C webwork.elearning.ubc.ca/webwork2/2020W1_MATH_104_ALL_2020W/webwork9/5/ O * v Update : Apps s Updated student.. Applications Dashboard Maths 104 Important UBC W. (1 point) f (x) = - x2 + 1 a) Find the first and second derivatives. f' ( x) = - 8x/ (x12+1) 12 f"(x) = 8(3x^2-1)/(x^2+1)13 b) Identify the graph that displays f in blue and f" in red. B A. B C. D. c) Using the graphs of f and f", indicate where f is concave up and concave down. Give your answer in the form of an interval. NOTE: When using interval notation in WeBWork, remember that: ou use 'INF' for co and '-INF' for -co. And use 'U' for the union symbol. Enter DNE if an answer does not exist. f is concave up on (-sqrt1/3,sqrt1/3) f is concave down on (-INF,-sqrt1/3)U(sqrt1/3 Note: You can earn partial credit on this

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