Question

1.3x mai mic sau egal 4(9+0.1x) multumesc

Answer 1

1,3x≤4(9+0,1x)<br />1,3x≤36+0,4x |-0,4<br />0,9x≤36<br />x≤0,025<br />S=(-infinit ;0,025] Proba :1,3•0,025≤4(9+0,1•0,025) 0,0325≤4(9+0,0025) 0,0325≤4•9,0025 0,0325≤36,01 A