31. For each graph below, state the domain and range in interval notation and explain what they each represent. a. b. 32. Simplify: – – – a. (11 - 3x + 2x2) + (7x2 + 2x - 8) b. (12x2 9 + 4x) + (3x3 1 7x2) 33. Simplify: a. (11 - 3x + 2x2) - (7x2 + 2x - 8) b. (12x2 – 9 + 4x) - (3x3 – 1 – 7x2) 34. Find the area of each rectangle. a. b. 35. Simplify: – – – a. (6x2 + 7x 2) (x + 4) b. (3x3 + 4x2 8) (x 2)
31. For each graph below, state the domain and range in interval notation and explain what they each represent. a. b. 32. Simplify: a. (11 - 3x + 2x2) + (7x2 + 2x - 8) b. (12x2 – 9 + 4x) + (3x3 – 1 – 7x2) 33. Simplify: a. (11 - 3x + 2x2) - (7x2 + 2x - 8) b. (12x2 – 9 + 4x) - (3x3 – 1 – 7x2) 34. Find the area of each rectangle. a. b. 35. Simplify: a. (6x2 + 7x – 2) (x + 4) b. (3x3 + 4x2 – 8) (x – 2)
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