Please explain step by step -8(4x²-3)(4x²+3)2 •9)Suppose f has one critical point at x = 0 and f"(x)Use calculus to answerthe following questions. Do not use the graph of f to explain your answer.a)Identify any points of inflection of f and show how you know it's a point of inflection.b)Where is f concave up?c)Identify the location of any local extrema. Be sure to state whether there is a local maxor min at that location.

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-8(4x2-3) (4x2+3)2 • 9) Suppose f has one critical point at x = 0 and f"(x) = Use calculus to answe the following questions. Do not use the graph of f to explain your answer. а) Identify any points of inflection of f and show how you know it's a point of inflection. b) Where is f concave up? Identify the location of any local extrema. Be sure to state whether there is a local max or min at that location. c)