Study Guide please send me correct answers I have a test in 5 hours to turn in.

precal unit 2 eval 8/19/20, 10:18 AM precal unit 2 eval 8/19/20, 10:18 AM U . C. -6x2 +2x+2 d. -6x2+ 2x+1 19. If f(x) = 4 - 2x, find the ordered pairs corresponding to the domain. 4 in 16. Find (9 . f) (x) = a . a. -12x2 - 10x - 2 b. . 34 b. -6x2 + 2x+2 (-7.47) C. -6x2 +2x+1 C . d. - 12x2 - 4x - 2 NI- 17. Find (9 . 9) (x)= 20. Write a function to define the volume of a cube as a function of the length of an edge, s. a. 4x + 3 b. 4x + 4 a. V (s) = 8s C. 4x + 1 b. V (s) = 3s d. 4x + 2 C. V (s) = $3 d. V (s) = 3s2 18. Find (fo f) (x) = a. 27x4 - 18x3 + x Use the following information to answer questions 21 and 22. b. 9x4 -6x3+x A satellite is orbiting the earth at a height where the gravitational pull of the earth is given by the constant, 9.2. The force (in N) C. -9x4 +6x3 -6x2 +x exerted by the earth on the satellite is 9.2 times the mass of the d. -27x4+18x3 -6x2 +x satellite (in kilograms). 21. Write a function to define the force (F) as a function of the mass(m). Cim) 9.2 Page 6 of 17 Page 7 of 17precal unit 2 eval 8/19/20, 10:18 AM precal unit 2 eval 8/19/20, 10:18 AM a. m b. F(m) = 9.2 a. symmetric with respect to the origin. c. F(m) = 9.2 + m b. not symmetric. d. F(m) = 9.2m c. symmetric with respect to the y-axis. d. symmetric with respect to the x-axis. 22. Find the force (in N) exerted on a satellite with a mass of 10kg. 26. The graph of the function g(x) = | 2x | - 1 is a. 92 N a. symmetric with respect to the origin. b. 9.2 N b. not symmetric. C. .92 N c. symmetric with respect to the y-axis. d. 19.2 N d. symmetric with respect to the x-axis. 23. The graph of the function f (X) = 3x4 - 2x2 is 27. Find two functions, f and g, that will produce the given composite function, = Tog, given that h(x) = (x2 -1)3 a. symmetric with respect to the origin. b. not symmetric. c. symmetric with respect to the y-axis. a. f (x) = x and g(x)=x2 -1 d. symmetric with respect to the x-axis. b. f (x )= x2 -1 and g(x)=x3 c. f (x) = x3 - 1 and g(x) =x2 d. f (x) = x2 and g(x)=x3 -1 24. The graph of the function f (x ) = = X is a. symmetric with respect to the origin. b. not symmetric. 28. Find two functions, f and g, that will produce the given c. symmetric with respect to the y-axis. d. symmetric with respect to the x-axis. composite function, = Tog, given that h(x) = (x+ 2)2 - 5 a. f(x) = x - 5 and g(x) = x2 + 2 b. f(x) = x + 2 and g(x) = x2 - 5 25. The araph of the function h(x) = x5 - x2 - X is c. f(x) = x2 + 2 and g(x) = x -5 flat - 12 F and all - ven Page 8 of 17 Page 9 of 17precal unit 2 eval 8/19/20, 10:18 AM precal unit 2 eval 8/19/20, 10:18 AM U . I( 4 ) - A - U allu y ( a ) - ATZ a. & b. 0 29. Find " (*) if f(x) = 3x - 2. C. -8 d. -2x X + 2 a. 3 X +3 32. Find (f - 9)(x) = b. 2 X - 3 a. -8 b. -2x C. 2 C. 8 x - 2 d. 0 3 33. Find (f . 9) (x) = 30. Find f (x) if f (x)= 3x- 2 4 a. 16 - 8x + x2 b. 16 + 8x - x2 4x - 5 C. x2 - 16 a. 2 d. 16 - x2 4x + 2 b. 5 4x - 2 C. 5 4x + 5 34. Find d. 2 4-X a. X +4 X + 4 Use the following information to answer questions 31-35: Let b. 4-x f(x) = 4 - x and g(x) = x + 4. C. -1 31 Find (f + a)/x) = d. 1 Page 10 of 17 Page 11 of 17precal unit 2 eval 8/19/20, 10:18 AM precal unit 2 eval 8/19/20, 10:18 AM a. (x/ x>- 1] b. (x/x20) 35. What is the domain of c. { all real numbers } d. (x|x2-1) a. { x/x #-4} b. ( x|x #-4.4 } c. ( x/x# 4 } 39. Find the range of the function f(x) = 2x2 - 1 d. { all real numbers } a. (yly>-1) b. { all real numbers } 36. If f(x) = 4 - 2x, find the ordered pairs corresponding to the 0 c. ( ylys-1) in the domain. d. ( yly20) a. (0, 4) b. (0, 2) C. (4, 0) d. (2, 0) 40. Given f(X) = 2X - 1, the function is increasing for . a. no x b. x 0 expression for f(x) of the equation | 2X |= 2y - 7 d. all x a. | x | + 3.5 b. |x | - 3.5 c. ly | + 3.5 d. ly | - 3.5 41. Given f(x) = 2X - 1, the function is decreasing for a. all x b. no x C. X 0 Page 12 of 17 Page 13 of 17precal unit 2 eval 8/19/20, 10:18 AM precal unit 2 eval 8/19/20, 10:18 AM 47. Find h(4). a. -2 b. 2 c. 2 d. 2 For questions 48-50, tell if the functions are odd, even, or neither. 48. g(x) = 31 x | a. odd b. even c. neither 49. h(x) = -2x3 + 4 a. odd b. even c. neither f (x) = - 3 50. 2 a. odd b. even c. neither Page 16 of 17 Page 17 of 17MTHHO43059: Unit 2 Evaluation Unit 2 Evaluation Study Guide Precalculus: Analytic Geometry 8: Algebra Choose the answer that best completes the statement or answers the question. 1. Rewrite this relation as a function with the dependent variable 2 on the left side of the equation. 5'\" =1 5 a 3=16+t2 b_ t=\\."1-s c. t=~J 15 d_ s=1Et2 2. Rewrite this relation as a function with the independent variable on the left side of the equation. 52 ?t= 5 a. 3=-.n'2t+5 2- t=3 5 b. 2 532 precal unit 2 eval 8/19/20, 10:18 AM precal unit 2 eval 8/19/20, 10:18 AM d. S = v2t + 5 6. 6g(-t) = a. 36 + 12t b. -36 + 12t 3. If y = f(x) is defined by the given equation, find the C. 6 + 12t expression for f(x) of this equation: 3x - 2y = 6. d. 6 - 12t a. 3 =y+6 7. 4g(-2x) = b. a. 24 + 16x 3 b. 6 - 16x -X + 3 C. 6 + 16x C. d. 24 - 16x 3 .X - 3 Use the following information to answer questions 4-9. 8. h(6) = Let f (x)=x2+5x, g(x)=6 -2x, h(x)=- 2 x - 3 a. w / - 4. f(-3) = b 4 a. 21 C. COIN b. -21 C. -6 d. 6 d. COIN 5. f(6) - 4 = 9. h(2x + 5) = a. 66 b. 62 1 c. 14 a. X + 4 d. 2 2 b. 2x + 1 Page 2 of 17 Page 3 of 17precal unit 2 eval 8/19/20, 10:18 AM precal unit 2 eval 8/19/20, 10:18 AM C. X+1 d. X* +7x4+6x d. 2x + 2 Use the following information to answer questions 10-13. 13. Find Let f (x)=x2 -2x+3 and g(x)=x2 + 2x. 10.Find (f + g)(x) = a. col - a. 2x2 - 4x + 3 x2 - 2x + 3 b. 2x2 + 3 b . X 2 + 2x * 2 + 2x C. 2x2 + 4x +3 X2 - 2x + 3 d. 4x + 3 d. -3 11. Find (f - g)(x) = 14. If f(x) = 4- 2x, find the ordered pairs corresponding to the 3 in the domain. a. 2x2 - 4x+ 3 b. 2x2 + 4x -3 a. (6, 3) b. (-2, 3 ) C. 4x - 3 C. (3, 6) d. -4x + 3 d. (3, -2) 12. Find (f . 9) (x)= Use the following information to answer questions 15-18: Let f(x)= -3x2 +x and g(x)=2x+1. a. X* - x2 + 6x b. X4 - 4x3 - x2 + 6X 15. Find (fo 9) (x)= c. X4+4x3 + 7x2 +6x a. -12x2 - 4x- 2 h - 12x2 - 10x - 2 Page 4 of 17 Page 5 of 17