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Matematik Tambahan  Tingkatan 4  Jawapan

                 (c)    f(x)                                    (f)      f(x)
                                                                        2 1    2
                                                                        3
                                                                        –
                              5                                            , 0
                            x = –
                              2
                     8                                               0          x





                                                                    –9
                                                                          3
                                                                        x = –
                                      x                                   2
                     0  1        4
                                                                (g)    f(x)
                                                                                3 1
                                                                                –
                                                                                 , –
                           1     2                                             1    2
                           5
                              9
                           –
                                                                                2 4
                            , – –
                              2
                           2
                                                                                         x
                                                                     0     1     2

                 (d)                 f(x)
                           x = –3                                                3
                                                                               x = –
                                     9                              –2           2
                                                                (h)    f(x)
                                                                                        x
                                                                     0      3  3
                                                                            –
                                                                             , – –
                                          x                                 4 1     2
                                                                               4
                                     0
                           (–3, 0)
                                                                    –3
                                                                           3
                                                                        x = – 4
                 (e)           f(x)

                         (–1, 9)                                       3     25
                                                             30.  (a)  p = –  ,  q =
                                                                       2     8
                                                                (b)  (i)  –1, 4
                                                                   (ii)
                                                                                  2 1     2
                                                                           f(x)   3  1
                                                                                   , 6 –
                                                                                  –
                                                                                     4
                                 5
                           x = –1                                         4
                                                                                   3
                                                                                x = –
                                                                                   2
                                       x
                               0                                                           x
                         5       1                                         0
                        – –      –                                      –1             4
                         2       2




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