Математика: Типовые расчеты по курсу для студентов экономических специальностей. Исаев Г.П. - 62 стр.

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               ⎧0 , x ≤ 0 ,
               ⎪ 2                                    ⎧0 , x ≤ 0 ,
               ⎪x                                     ⎪
          ( )
     13. F x = ⎨ , 0 < x ≤ 2 ,           14. F (x ) = ⎨x 3 , 0 < x ≤ 1 ,
               ⎪ 4                                    ⎪1 , x > 1.
               ⎪1 , x > 2 .                           ⎩
               ⎩



                  ⎧0 , x ≤ 0 ,
                  ⎪ 2                                 ⎧0 , x ≤ 0 ,
                  ⎪x − x                              ⎪
     15. F (x ) = ⎨       , 0 < x ≤ 2,   16. F (x ) = ⎨x 2 , 0 < x ≤ 1 ,
                  ⎪ 2                                 ⎪1 , x > 1.
                  ⎪1 , x > 2 .                        ⎩
                  ⎩


                  ⎧0 , x ≤ 0 ,                        ⎧0 , x ≤ 0 ,
                  ⎪ 2                                 ⎪ 2
                  ⎪x                                  ⎪x
     17. F (x ) = ⎨ , 0 < x ≤ 5 ,        18. F (x ) = ⎨     , 0 < x ≤ 20 ,
                  ⎪ 25                                ⎪ 400
                  ⎪1 , x > 5 .                        ⎪1 , x > 20 .
                  ⎩                                   ⎩

                  ⎧0 , x ≤ 0 ,                        ⎧0 , x ≤ 0 ,
                  ⎪ 2                                 ⎪ 2
                  ⎪x                                  ⎪x
     19. F (x ) = ⎨ , 0 < x ≤ 7 ,        20. F (x ) = ⎨ , 0 < x ≤ 3 ,
                  ⎪ 49                                ⎪9
                  ⎪1, x > 0 .                         ⎪1, x > 3.
                  ⎩                                   ⎩

                  ⎧0 , x ≤ 0 ,                        ⎧0 , x ≤ 0 ,
                  ⎪ 2                                 ⎪ 2
                  ⎪x                                  ⎪x
     21. F (x ) = ⎨     , 0 < x ≤ 15 ,   22. F (x ) = ⎨     , 0 < x ≤ 19 ,
                  ⎪ 225                               ⎪ 361
                  ⎪1, x > 15 .                        ⎪1, x > 19 .
                  ⎩                                   ⎩




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