x - 4 3. Find the x-values (if any) at which the function f (x) =- - is not continuous. x2 - 5x+ 4 Which of the discontinuities are removable? A) x =4 (not removable), x =1 (not removable) B) x =4 (removable), x =1 (not removable) C) no points of discontinuity. D) x=4 (not removable), x =1 (removable) E) no points of continuity. 4. Find the value of c guaranteed by the Intermediate Value Theorem. f (x ) = 1 - 5x 9, 18 , f ( 0 ) = 6. A) N B) 9 C) 10 1 E) 11 5. Find the x-values (if any) at which f (x) =x2 + 4x X - is not continuous. A) f(x) is continuous for all real x. B) f(x) is not continuous only at x =0 and f(x) has a removable discontinuity at x = 0. C) f(x) is not continuous at x = 0, -4 and f (x) has a removable discontinuity at x = 0. D) f(x) is not continuous at x = 0, -4 and both the discontinuities are nonremovable. E) f(x) is not continuous only at x = -4 and f(x) has a removable discontinuity at x = -4. 6. Find constantor a and b such That The function. = ( x ) = gox+6 , - 9