Which function shows f(x) decreasing as a approaches negative and positive infinity? Select all that apply. Select all that apply: □ f(x) = 2x(3x + 1)(2x - 5) □ ƒ(x) = − ² (3x + 1)(2x + 5) □ f(x) = −5x(2x + 1)(x +9)(x − 3)

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