Indentify an equation in point-slope for the line perpendicular to y=3x+5

y=3x+5 has slope = 3
perpendicular lines, slope is opposite and reciprocals so slope of new line = -1/3
passing thru (4,-1)
so equation
y + 1 = -1/3(x - 4)
Answer is B
y + 1 = -1/3(x - 4)