1.
programme 1:
- 5
- 5 × 3 = 15
- 15 + 1 = 16
programme 2:
- 5
- 5 + 2 = 7 et - 5 - 1 = 4
- 7 × 4 = 28
2.a. A(x) = 3x + 1
b. 3x + 1 = 0
3x = -1
[tex]x = - \frac{1}{3} [/tex]
3. B(x) = (x - 1)(x + 2)
[tex]b(x) = x {}^{2} + 2x - x - 2 \\ b(x) = x {}^{2} + x - 2[/tex]
4. je ne sais pas desole
