= = 0, 1 x x { } The solution set is < 0 or > 1 or, x x x The are = 0 and = x x (−∞, (1, ) ∪ ∞ 1 . using interval notation, 0) ( ) ( . = 2x − 1) p x x ( ) g. ≥ 1 f x − 2x + 1 ≥ 1 x2 − 2x ≥ 0 x2 ( − 2) ≥ 0 x x The zeros are = 0 and = 2 . x x ( ) ( = − 2) p x x x { ≤ ≥ The solution set is 0 or 2} or, x x x [2, (−∞, ) using interval notation, 0] ∪ ∞ .
x = 0, x = 1 The are x = 0 and x = 1 . p ( x ) = 2x ( x − 1) The solution set is { x x < 0 or x > 1 } or, using interval notation, (−∞, 0) ∪ (1, ∞ ) . g. f ( x ) ≥ 1 x2 − 2x + 1 ≥ 1 x2 − 2x ≥ 0 x ( x − 2) ≥ 0 The zeros are x = 0 and x = 2 . p ( x ) = x ( x − 2) The solution set is { x x ≤ 0 or x ≥ 2} or, using interval notation, (−∞, 0] ∪ [2, ∞ ) .
Downloadable-Solution-Manual-for-Precalculus-Concepts-Through-1.docx