Stitz-Zeager_College_Algebra_e-book

If a b is on the graph of f then f a b substituting

This preview shows page 1. Sign up to view the full content.

This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: tions 1.7.3 81 Answers y x−2 3 Domain: (−∞, ∞) x-intercept: (2, 0) y -intercept: 0, − 2 3 No symmetry 1. (a) f (x) = 1 −1 −1 √ (b) f (x) = 5 − x Domain: (−∞, 5] x-intercept: (5, 0) √ y -intercept: (0, 5) No symmetry 3 x 2 y 2 1 −4 −3 −2 −1 3 4 5 x y 2 1 −8 −7 −6 −5 −4 −3 −2 −1 −1 1 2 3 4 5 6 7 8 x −2 1 +1 Domain: (−∞, ∞) No x-intercepts y -intercept: (0, 1) Symmetry about the y -axis y x2 1 −2 −1 1 2 x (f) f (x) = x6 − x4 + x2 + 9 is even 2. (a) f (x) = 7x is odd (b) f (x) = 7x + 2 is neither 1 (c) f (x) = 3 is odd x (d) f (x) = 4 is even (e) f (x) = 0 is even and odd 3. (a) [−5, 3] 4 1 2 3 √ (c) f (x) = 3 x Domain: (−∞, ∞) x-intercept: (0, 0) y -intercept: (0, 0) Symmetry about the origin (d) f (x) = 1 (g) f (x) = −x5 − x3 + x is odd (h) f (x) = x4 + x3 + x2 + x + 1 is neither √ (i) f (x) = 5 − x is neither (j) f (x) = x2 − x − 6 is neither (f) −4, −1, 1 (k) (−3, 4), (2, 3) (b) [−5, 4] (g) [−4, −1], [1, 3] (l) (0, −1) (c) f (−2) = 2 (h) 4 (m) 4 (d) (−4, 0), (−1, 0), (1, 0) (i) [−5, −3], [0, 2] (n) −5 (e) (0, −1) (j) [−3, 0], [2, 3] (o) Ne...
View Full Document

This note was uploaded on 05/03/2013 for the course MATH Algebra taught by Professor Wong during the Fall '13 term at Chicago Academy High School.

Ask a homework question - tutors are online