5. (a) Evaluate the polynomial y = x³ - 8x² + 12x - 0.45 at x = 2.378. Use 4-digit arithmetic with chopping. Evaluate the percent relative true error. (b) Repeat (a) but express y as y = ((x-8)x+12)x -0.45. Evaluate the percent relative true error and compare with part (a).

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