Cevap:
A
[tex]{f}^{ - 1} (5) = - 1 \\ f( - 1) = 5 \\ \\ f(2x + 5) = f ( - 1) \\ 2x + 5 = - 1 \\ 2x = - 6 \\ x = - 3 \\ \\ f( - 3) = \frac{(3 \times - 3) - 1}{a( - 3) + 1} = 5 \\ - 10 =5 \times (- 3a + 1) \\ - 10 = - 15a + 5 \\ 15a = 15 \\ a = 1[/tex]