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Sagot :

Explications étape par étape :

1.   fonction linéaire

f(x) = - 2,5x

a.  f(-4) = -2,5 * (-4) = 10

f(-2) = -2,5 * (-2) = 5

f(0) = -2,5 * 0 = 0

f(2) = -2,5 * 2 = -5

f(4) = -2,5 * 4 = -10

b. fonction linéaire

g(x) = 2/3x

g(-6) = 2/3 * (-6) = -12/3 = -4

g(-3) = 2/3 * (-3) = -6/3 = -2

g(0) = 2/3 * 0 = 0

g(3) = 2/3 * 3 = 2

g(6) = 2/3 * 6 = 4

2 représentations graphiques

View image STELLAPHILIPPE2

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