Question

,,,,,,,,,..........​

Answer 1

Explicação passo-a-passo:

A ) x2 + 1 < 5

x2 + 1 - 5 < 0

x2 - 4 < 0

x2 < 4

x < √4

x < 2

B). ( 3 ) - 2. > / ( 3 ) x + 3

- 2 >\ x + 3

x + 3 <\ - 2

x <\ - 2 - 3

x <\ - 5

C) x2 - 4 <\ 0

x2 <\ 4

x <\ √4

x <\ 2

D) ( 3 ) x /3 > x + 8

x > 3• ( x + 8 )

x > 3x + 24

x - 3x > 24

- 2x > 24

2x < - 24

x < - 24 / 2

x < - 12

opção B