Limites et composition 1

On considère les fonctions f et g dont on connaît les tableaux de variations:
x -2 +∞
var f 4 ↘ −∞
et
x -9 -2 4
var g 6 ↘ -3 ↗ +∞

Déterminer lim x→−2g∘f(x).

Cette limite

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This is exercise number 1 in a series of 3 exercises.
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