let f(x) = 2x²-36x² + 20. Find the intervals where f is increasing. a) (-3,0)√(3, ~) b) (-3,0)0(0,3) c) (-₁-3) 0 (0,3) d) (-00, -3) 0 (3, 00⁰ e) (0,3)0 (3,00)

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