Stitz-Zeager_College_Algebra_e-book

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

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: −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...
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