\(B=1,5-\left|x+1,1\right|\le1,5\\ B_{max}=1,5\Leftrightarrow x+1,1=0\Leftrightarrow x=-1,1\)
\(-\left|x+1,1\right|\le0\forall x\)
\(\Rightarrow B=1,5-\left|x+1,1\right|\le1,5\)
\(maxB=1,5\Leftrightarrow x=-1,1\)
−|x+1,1|≤0∀x−|x+1,1|≤0∀x
⇒B=1,5−|x+1,1|≤1,5⇒B=1,5−|x+1,1|≤1,5
maxB=1,5⇔x=−1,