3x + 9 Consider the function f(x) = For this function there are two important intervals: (- 00, A) 5x + 3 and (A, 0) where the function is not defined at A. Find A For each of the following intervals, tell whether f(x) is increasing or decreasing. (- 0, A): Select an answer v (A, 0) Select an answer ♥ Note that this function has no inflection points, but we can still consider its concavity. For each of the following intervals, tell whether f(x) is concave up or concave down. (- 0, A): Select an answer v (A, 0) Select an answer ♥

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