Bonjour,
1) f(x) = -x²+3
donc :
- f(-4) = -(-4)²+3 = -13
- f(-3) = -(-3)²+3 = -6
- f(-2) = -(-2)²+3 = -1
- f(-1) = -(-1)²+3 = 2
- f(0) = -(0)²+3 = 3
- f(1) = -(1)²+3 = 2
- f(2) = -(2)²+3 = -1
- f(3) = -(3)²+3 = -6
- f(4) = -(4)²+3 = -13
- f(5) = -(5)²+3 = -22
2) et 3) voir pièces jointes
