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Perform the indicated operations and simplify: 15x-15 State the Domain of the expression: All real numbers; x≠ 9 Answers: 3 9 15(x-1) 5(x-1) 9 1 5(3x-3) x+5 Perform the indicated operations and simplify: -4x+8 x2+2x State the Domain of the expression: All real numbers; x≠ Answers: x(x+2) x(x+2) -4(x-2) 4(x+2) (x2+2) x(x-2) -4(x-2) -4(x+2) Perform the indicated operations and simplify: 3x+15 2x2+10x State the Domain of the expression: All real numbers; x≠ Answers: 2x 2x 3(x+5) 3x 2x 2 3 3x(x+5) Perform the indicated operations and simplify: x2+9x+20 x2+5x+4 All real numbers; x≠ State the Domain of the expression: Answers: Put the LOWEST value first x(x+2) x+4 -4(x-5) x(x+20) x≠ (x2+4) x+1 (x2+20) x+5 Perform the indicated operations and simplify: x2+8x+15 x2+x-6 All real numbers; x≠ State the Domain of the expression: Put the LOWEST value first Answers: (x-2) (x-2) (x-5) (x+5) x≠ (x+2) x(x-6) 8(x-5) -3(x-5) Perform the indicated operations and simplify: 2x+6 x+2 State the Domain of the expression: All real numbers; x≠ Answers: (x+2) (x+2) 2(x-3) (x+6) (x+2) x+2 6(x+2) 2(x+3) Perform the indicated operations and simplify: x2+4x+4 x+1 - x2-4 2 Answers: x2-3x-6 (x+1) (x+2) (x+4) x2-3x-6 (x+2)2 (x-2) x+2 (x+2)(x-2) Perform the indicated operations and simplify: 4x2 6 + Answers: 5x 2 4x+15 8 20x3 10x2 12 20x3 8 10x2 Perform the indicated operations and simplify: 4x2 6 ∙ Answers: 5x 2 4x+15 8 20x3 10x2 12 20x3 8 10x2 Perform the indicated operations and simplify: 4x2 6 ÷ Answers: 5x 2 15 15x 4x2 4x 15 4x2 15x 4x Answers: Perform the indicated operations: Given: f(x)= Find: f(x) ∙g(x) x4-x3-10x2+4x+24 6 x2-4 2 5 2x2-x-10 g(x)= x2-x-6 3 (x-2)(x-3) 6 Answers: Perform the indicated operations: Given: f(x)= Find: f(x) ÷ g(x) 2 3 x2-4 2 2(x-2) g(x)= 3(x-3) x2-x-6 3 2x-6 3x-6 Answers: Perform the indicated operations: Given: f(x)= Find: f(x) + g(x) (x+2)(x-2)(x-3) 5x x2-4 2 (x-2)(x-3)(x+2) 5x-12 g(x)= x2-x-6 (x-3)(x-2)(X+2) 3 -17x Answers: Perform the indicated operations: Given: f(x)= Find: f(x) - g(x) (x+2)(x-2)(x-3) -x x2-4 2 (x-2)(x-3)(x+2) -5x-4 g(x)= x2-x-6 (x-3)(x-2)(X+2) 3 -3x-8 |