Stitz-Zeager_College_Algebra_e-book

The ph of pure water is 7 ii if h 63 1013 then the

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Unformatted text preview: −4, x = −1 and x=2 No cusps √ 2. (a) f (x) = −2 3 x + 1 + 4 y −5 −4 −3 −2 −1 −1 −2 −3 −4 y 5 4 5 4 3 2 3 2 1 13 1 √ (b) f (x) = 3 4 x − 7 − 1 7 6 −6 −5 −4 −3 −2 −1 2 1 1 2 3 4 5 6 7 8 x −1 78 Using Calculus it can be shown that y = x + 1 is a slant asymptote of this graph. 23 x 326 Further Topics in Functions (c) f (x) = √ 5 x+2+3 (d) f (x) = y √ 8 −x − 2 y 5 4 −40 −30 −20 −10 x −1 3 2 −2 1 −34 3. (a) (b) (c) (d) (e) (f) (g) (h) (i) (j) −2 (k) [2, ∞) x=3 1 x= 4 x = −3 x = −1, 3 (l) [−1, 0] ∪ [1, ∞) (m) (−∞, 2) ∪ (2, 3] 2 3 √ 5+ 57 8 (n) (2, 6] x= x=4 x = ±8 x=6 x=4 x = −2, 6 6. k −1 (x) = √ 7. 9.8 30x 1 4π (o) (−∞, 0) ∪ [2, 3) ∪ (3, ∞) 27 (p) 0, 13 (q) (−∞, −1) (r) (−∞, 0) ∪ (0, 3) (s) (−∞, −4) ∪ −4, − 22 ∪ (2, ∞) 19 x −4 x2 2 ≈ 0.062 meters or 6.2 centimeters 2 5 3 5 2 5 3 5 8. (a) First rewrite the model as P = 1.23x y . Then 300 = 1.23x y yields y = If x = 100 then...
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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.

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