Question

16) 16. Which of the following represents y as a one-to-one function of x? A) y = x+ B) y = x3 C) {(3,4),(4,5),(5,6), (6,6)} D) x = y2 E) None of the Above x+3 (x-1)(x-3)? 17) 17. Which best describes the intercepts for the graph of g(x) = A) x-intercept at x = -3 and y-intercept at y = 1 B) x-intercepts at x = 1 and x = 3 and y-intercept at y = -3 C) x-intercepts at x = 1 and x = 3 and no y-intercept D) no x-intercepts and y intercepts at y = 1 and y = 3 E) No intercepts 18) 18. Solve the following equation for x: 42x+7 = 16. A) X= { B) x =- C) x = -2 D) x = 2 E) None of the Above 19) 19. Solve the following equation for x: log4 x = 2 A) X= 4 B) x = 16 C) x = 8 D) X = 2 E) None of the Above 20. Find the exact value of the following expression: 5log 10 A) 50 20) B) 25 C) 1 D) 10 E) None of the Above

Answer 1

16) A) y=x" many to one 뽀 X 3 B) y=x One One to ) (3, 4) (4,5) (5,6)(6,6)} many to One (as 5 and 6 has same output of 6 D x=y? E Not a function (same input gives different output) Only option B y = x3 is one to one,