Editor
A line with point $(1,1)$ is perpendicular to a line having slope $-\frac{3}{4}$. What is the equation of the line?
Difficulty: Easy
A: 
$3x-4y-1=0$
B: 
$4x-3y-1=0$
C: 
$4y-3x-1=0$
D: 
$4y+3x+1=0$
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