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Which of the following is an equation of the line graphed in the $xy$ plane that passes through the point $(-1,3.5)$ and is perpendicular to the line $B$ whose equation is $x+4.5=0$?$\newline$Choose $1$ answer:$\newline$$\text{(A)}$ $x=-1$$\newline$$\text{(B)}$ $x=3.5$$\newline$$\text{(C)}$ $y=3.5$$\newline$$\text{(D)}$ $y=4.5$