re.re..
f(x) = ax + b
ici a = (-3-2)/(5+3) = -5/8
et f(-3) = -5/8*(-3) + b = 2
b = 2 -15/8
b= 1/8
donc f(x) = -5/8x+1/8
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re.re..
f(x) = ax + b
ici a = (-3-2)/(5+3) = -5/8
et f(-3) = -5/8*(-3) + b = 2
b = 2 -15/8
b= 1/8
donc f(x) = -5/8x+1/8