Question

Repede va rog frumos ​

Answer 1

1) A = [-2, 5)

2) -4 </ x+3 </ 53 /₋₃

-7 </ x </ 50

B = [-7, 50]

3) ³⁾-2 </ (2x+1)/3 < ³⁾1

-8 </ 2x+1 < 3 /₋₁

-9 </ 2x < 2 /:2

-9/2 </ x < 1

C = [-9/2, 1)

4) -3 </ 2x+1 </ 3 /₋₁

-4 </ 2x </ 2 /:2

-2 </ x </ 1

D = [-2, 1]