Questão 22 Calcule os limites no infinito
a) lim (2x + 3)
x → +∞
b) lim (4 - 5x)
x → -∞
c) lim (5x² - 4x + 3)
x → +∞
d) lim (4 - x²)
x → +∞
e) lim (3x³ - 4)
x → -∞
f) lim (8 - x³)
x → -∞
Questão 23 Calcule os limites no infinito
a) lim (3x + 2)
x → +∞
5x - 1
b) lim (5 - 4x)
x → -∞
2x - 3