answer questions 64
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f(x) = 2x³ - 13x² + 17x + 12.
(i) f(2) = 2(2)³ - 13(2)² + 17(2) + 12
= 16 - 52 + 34 + 12
= 10.
(ii) f(-3) = 2(-3)³ -13(-3)² + 17(-3) +12
= -54 -117 - 51 +12
= -210.
(iii) f(0) = 2(0)³ - 13(0)² +17(0) +12
= 12.
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