The answers of the exercice one is this :
- The equation of the first fonction is f(x)=2X+3
- The equation of the second fonction is f(x)=-2X+3
- The equation of the third fonction is f(x)=(2/5)X-1
- The equation of the fourth fonction is f(x)=-(5/2)X-1
- The equation of the last fonction is f(x)=1
I hope that you have the good solution.
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