Bonjour,
g(x)= 2x²-3x
Calculer:
g(-2)= 2(-2)²-3(-2)= 2(4)+6= 8+6= 14
g(0)= 2(0)²-3(0)= 0 0 fois un nombre= toujours 0
g(1/2)= 2(1/2)²-3(1/2)= 2(1/4)-3/2= 2/4-3/2= 1/2-3/2= -2/2= -1
g(10)= 2(10³)²-3(10³)= 2(10)⁶-3(10³)= 2 000 000 - 1 000= 1 999 000.
