There are true statements of f(x) = 5(x4 – 4x³) , except ... Pernyataan yang salah mengenai kurva f(x) = 5(x – 4x³) adalah... - 1. O f(x) not intersect Y – axis Tidak memotong sumbu-Y 2. O f(x) decreasing on x < 3 Kurva turun pada interval x<3 3. O f(x) increasing on x > 3 Kurva naik pada interval x>3 4. O f(x) intersect X – axis at x = 0 and x = 3 Memotong sumbu-X di titik x=0 dan x=3

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