Precalculus Ch.2 Test A (2.1-2.4)

• f^{-1}(x) = rac{x^2}{2}
• f^{-1}(x) = x + 2
• f^{-1}(x) = x - 2
• f^{-1}(x) = x^2 - 2

• 2
• -1
• 1
• 3

• As x approaches +∞, p(x) → -∞; as x approaches -∞, p(x) → +∞.
• As x approaches +∞, p(x) → 0; as x approaches -∞, p(x) → 0.
• As x approaches +∞, p(x) → +∞; as x approaches -∞, p(x) → -∞.
• As x approaches +∞, p(x) → +∞; as x approaches -∞, p(x) → +∞.

• Maximum zeros: 3, Relative extrema: 5
• Maximum zeros: 5, Relative extrema: 4

• Maximum zeros: 4, Relative extrema: 2

• Maximum zeros: 2, Relative extrema: 1

• 6x^2 + 11x + 11 - rac{2}{x+7}
• 6x^2 - 11x + 5 + rac{3}{x+7}
• 6x^2 - 11x + 11 - \frac{2}{x+7}
• 6x^2 + 11x - 11 + rac{2}{x+7}

• 5
• 15
• 20
• 10

• (x - 1)(x - 4)(x + 2)

• (x + 1)(x - 2)(x - 4)
• (x - 1)(x + 2)(x + 4)
• (x + 1)(x - 4)(x + 2)

Write the standard form of the polynomial if the zeros are 1 and 4.

• x^2 - 3x + 2
• x^2 - 6x + 5
• x^2 - 4x + 4
• x^2 - 5x + 4

• -2, 1, 4
• 0, 2, -6
• 2, -3/2, 1

• 1, 3, -1

Select the two end behaviors that apply.

Tags

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7