Réponse :
h : x = 2x² + 3
*x = -3
h(-3) = 2(-3)² + 3 = (2X9) + 3 = 18 + 3 = 21
*x = -1
h(-1) = 2(-1)² + 3 = 2(1) + 3 = 2 + 3 = 5
*h(x) = 2x² + 3 = 3
2x² = 3 - 3 = 0
x² = 0
x = 0
*x= 5
h(5) = 2(5)² + 3 = 2(25) + 3 = 53
*x = 10
h(10) = 2(10)² + 3 = 2(100) + 3 = 203
Explications étape par étape
