CHAPTER 1: SECTION 1.1 TABLE OF CONTENTS End of Section Exercise Solutions..............................................................................................................1 END OF SECTION EXERCISE SOLUTIONS 1.1.1 (a) f (1) 3  (b) f ( 1) 0.2    (c) f x( ) 1  when x = 0 and x = 3. (d) f x( ) 0  when x ≈ –0.8. (e) The domain of f is    2 4 . x  The range of f is    1 3 . y  (f) f is increasing on the interval    2 1 . x  1.1.2 (a) f g ( 4) 2; (3) 4     (b) f x g x ( ) ( )  when x = –2 and x = 2. (c) f x( ) 1   when x ≈ –3.4. (d) f is decreasing on the interval 0 4 .  x  (e) The domain of f is    4 4 . x  The range of f is    2 3 . y  (f) The domain of g is    4 4 . x  The range of g is 0.5 4 .