Answer 8-14

b. L.RN number to students c. Distance travelled to fare For nos. 8-9; given the function f(x) = 4x - 5. d. Person to his / her citizenship 8. Rewrite in the form y = f ( x )? a. y = 4x + 5 c. y = 4X -5 b. Y= -4X - 5 d. Y=.4X +5 9. Using the function, if we interchange y to x, what is the resulting equation? a. 4X - 5 =y C. x - 4Y - 5 b. x - 4Y +5 d. - 4X -5 -y 10. The domain (x) of the rational function P(x) = Tag is the set of all real numbers except: a. 2 b. 1 C.-1 d-2 1 1. Which of the following is the vertical asymptote of the rational function P(x) = = without graphing? a. (2 and -2) b. (3 and -2) c. {-3 and -2) d. (3 and -4) 12. What is the inverse of the function f(x) = ((2, 4), (-2, 5), (1, 1), (-1, 6), (3,9), (-3, 10))? a. P (x) = {(4, 2), (-2, 5), (1, 1), (6, -1), (3,9), (-3, 10); b. P(x) = ((4, 2), (5, -2), (1, 1), (6, -1). (9, 3), (10, -3); c. P(x) = ((2, 2), (-2, 5), (1, 1), (6, -1). (3, 9), (-3, 10); d. P(x) = {(4, 2), (2,- 5), (-1, -1), (6, -1), (3, 9), (-3, 10); 13. What is the inverse of f(x) = 2x + 4? a. f (x) =x-4 c. P (x) = X-4 2 3 b. P'(x) = x +4 d. f(x)= x+4 2 3 14. What is the domain of any inverse function? a. All negative real numbers c. All real numbers except 0 b. All positive real numbers d. All real numbers