Find the critical numbers of the function f(x) = -3x5 + 15x4 + 5x+3 and classify them using a graph. X = X = is a is a is a Select an answer Select an answer Select an answer Find the critical numbers of the function f(x) = 3x5 - 15x - 10x +9 and classify them. At x = At x = At x = the function has a the function has a the function has a Neither a max or min Select an answer Select an answer