Question: 7. Solve 1 ( X - 1 + = 2 1 = 2 x - 1 Vosact a. X =+172 2 b. x =1+2v6 1

7. Solve 1 ( X - 1 + = 2 1 = 2 x - 1 Vosact a. X =+172 2 b. x =1+2v6 1 C. X = - 2+ V2 2 d. x =1+2v2 27a3-6463 8. 9a - 16b 2 Simplify 9a2+12ab+1662 902 -24ab+16b2 (3a - 4b)? 3a + 4b a . 1 3a - 4b b. C. 12ab d. 3a + 4b 3a - 4b 9. Which of the following could be the function represented by the graph at the right? f(x ) a. f(x)= *+1 b . f ( x ) = ( x + 1 ) ( x - 3 ) x + 2 (x - 3) (x+2) c. f(x) = *+1 x - 2 d. f ( x ) = ( *+1) ( x+ 3) ( x+ 3) (x+2) 10. Which graph represents a function whose inverse is also a function? N 11. What is the simplified form of X' +6x+9 6x+18 2x2- 18 3x2 - 27 X+3 a. b. x+3 x - 3 ( x-3)2 4 C. X - 3 ( x + 3 ) 2 d. 4 - 2 -f (x)= 2x+3 12. Which of the following is an equation of the horizontal asymptote for the graph of x2 +2x+1 a. f ( x ) = - s b . f ( x ) = 2 c. x= -1 d. f ( x ) = 0 13. denominator? Two fractions have denominators of x2 - 4 and x+2. What is the least common a. (x2 - 4) (x+ 2) b . ( x + 2 ) ( x - 2 ) c . x - 8 d. x 2 + x - 2 14. Simplify: 8n n - 4 n+ 2 a. 4n - 8 4n +8 n + 2 b. n-2 C . d. (n+ 2) (n-2) (n+2) (n- 2) 15. Which type of discontinuity, if any, is shown in the graph at the right? a. jump b. infinite c. point d. the graph is continuous Which is true for the graph of y =- x - 4? x2 +9 a. vertical asymptotes at x = +3 b. horizontal asymptotes at y = +2 c. vertical asymptotes at x = $2 d. horizontal asymptote at y = 1 17. Find the equation of the slant asymptote for the graph of y = 3X" +2x-3 x -1 a. y = x b. y= 3x+1 c. y= x+3 d. y = 3x+5 18. Solve - 3 x+2 1 x2 + 3x x+3 x a. -3-3 3 -Conic Sartions losach 19. Which of the following has a horizontal asymptote at y = 0? a. f (x ) = = 2x c . f ( x ) = x - 5 x + 6 - 3 - X x - 3 b . f ( x ) = - 1 x 2 - x x - 4 d. f (x) = = 2x2 + 4 20. What is the value of k in the function f(x) = > if its graph passes through the point (3, 2) ? a. -1 C . - 9 b. N/W . d. 21. Which function has vertical asymptotes x = -3 and x =_ 2 a. f (x ) = = 2x -1 c. f (x) = - X 2x2 +5x -3 2x2 + 5x - 3 b. f (x ) = 7 x2 - 9 x2 +5x+6 2x2 +5x-3 d. f (x) =- 2x2 +5x -3 22. Use the graph of f(x) =- 22 X3 - 5 22 (shown) to solve the equation x 3 - 5 = 1 a. x =-2 6 b. x= 3 C. x=1V5 d. No solution 2 0 12 - 2 Ax) # 22 4 23- 5 -6 - 4

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