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Explications étape par étape:
fonction linéaire: f(x) = ax
1) p(5) = a × 5 = 12
a = 12/5 = 2,4
p(x) = 2,5x
2) r(-3) = a × -3 = 27
a = 27/-3 = -9
r(x) = -9x
3) k(6) = a × 6 = 8
a = 8/6 = 4/3
k(x) = 4/3 × x = 4x/3
Explications étape par étape:
fonction linéaire: f(x) = ax
1) p(5) = a × 5 = 12
a = 12/5 = 2,4
p(x) = 2,5x
2) r(-3) = a × -3 = 27
a = 27/-3 = -9
r(x) = -9x
3) k(6) = a × 6 = 8
a = 8/6 = 4/3
k(x) = 4/3 × x = 4x/3