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9. A quartic function has zeros at -3, -2 and 1. The first two zeros pass through the x-axis, while the last (x = 1) just touches it. When the function is divided by x, the remainder is 12. The function's end behaviour is as follows: x - -oo, y - too and x - too, y - +00 Determine the equation of the function. [2 marks, 1 equation, ]