Desmos Graphing Calculator Link 3x + 5 Consider the function f(x) = 5x + 1' . For this function there are two important intervals: ( - co, A) and ( A, co) where the function is not defined at A. Find A For each of the following intervals, tell whether f(x) is increasing or decreasing. ( - 00, A): Select an answer ( A, 0) Select an answer v 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. ( - 0o, A): Select an answer v (A, 0o) Select an answer v Question Help: Video D Post to forum Submit Question Jump to Answer hp X N o W O P hp