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Let f(x)=-3x + 4 and g(x)=x² + 4x + 1. Find the following. 41. f(0) 42. f(-3) 43. g(-2) . s (7) 47. g(0.5) 45. (1) 3 46. f

Let f(x)=-3x + 4 and g(x)=x² + 4x + 1. Find the following. 41. f(0) 42. f(-3) 43. g(-2) . s (7) 47. g(0.5) 45. (1) 3 46. f

Algebra and Trigonometry (6th Edition)
Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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H W Let f(x)=-3x + 4 and g(x) = x² + 4x + 1. Find the following. 42. f(-3) 43. g(-2) 46. f 50. g(k) 54. f(x - 2) 58. f(x+h)-f(x) 41. f(0) 45. (+) 49. f(p) 53. f(x + 2) 57. f(x + h) For each function, find (a) f(2) and (b) f(-1). 61. f = {(1, 3), (4,7), (0, 6), (2, 2)) 63. f 65. S -2- -2 0 10 15 19 27 ƒ(1) 47. g(0.5) 51. f(-x) 55. 8(T) 59. f(4) - g(4) 62. f = {(2, 5), (3, 9), (-1, 11), (5,3)} 64. f 66. 2 -1 3. (b) Find the height of a man with a tibia measuring 40 cm -20 (c) Find the height of a woman with a femur measuring 50 cm. y = f(x) XU 2 0 2 67. Forensic scientists use the lengths of certain bones to calculate the height of a person. Two bones often used are the tibia (f), the bone from the ankle to the knee, and the femur (r), the bone from the knee to the hip socket. A person's height (h) is determined from the lengths of these bones by using functions defined by the following formulas. All measurements are in centimeters. Or For men: h(r) = 69.09 + 2.24r ог h(t)= 81.69+2.39t For women: h(r) = 61.41 + 2.32r h(t) 72.57 +2.53t (a) Find the height of a man with a femur measuring 56 cm. (d) Find the height of a woman with a tibia measuring 36 cm. N 44. g(10) 48. g(1.5) 52. g(-x) 56. g(e) 60. f(10) - g(10) Femur Tibia
Transcribed Image Text:H W Let f(x)=-3x + 4 and g(x) = x² + 4x + 1. Find the following. 42. f(-3) 43. g(-2) 46. f 50. g(k) 54. f(x - 2) 58. f(x+h)-f(x) 41. f(0) 45. (+) 49. f(p) 53. f(x + 2) 57. f(x + h) For each function, find (a) f(2) and (b) f(-1). 61. f = {(1, 3), (4,7), (0, 6), (2, 2)) 63. f 65. S -2- -2 0 10 15 19 27 ƒ(1) 47. g(0.5) 51. f(-x) 55. 8(T) 59. f(4) - g(4) 62. f = {(2, 5), (3, 9), (-1, 11), (5,3)} 64. f 66. 2 -1 3. (b) Find the height of a man with a tibia measuring 40 cm -20 (c) Find the height of a woman with a femur measuring 50 cm. y = f(x) XU 2 0 2 67. Forensic scientists use the lengths of certain bones to calculate the height of a person. Two bones often used are the tibia (f), the bone from the ankle to the knee, and the femur (r), the bone from the knee to the hip socket. A person's height (h) is determined from the lengths of these bones by using functions defined by the following formulas. All measurements are in centimeters. Or For men: h(r) = 69.09 + 2.24r ог h(t)= 81.69+2.39t For women: h(r) = 61.41 + 2.32r h(t) 72.57 +2.53t (a) Find the height of a man with a femur measuring 56 cm. (d) Find the height of a woman with a tibia measuring 36 cm. N 44. g(10) 48. g(1.5) 52. g(-x) 56. g(e) 60. f(10) - g(10) Femur Tibia
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