Find the inverse function of f(x)=5/(x-4)
f(x) = 5/(x-4)To find the inverse, replace f(x) with y: y=5/(x-4)Now the aim is to make x the subject of the equation:Multiply both sides by x-4:y(x-4)=5Divide by y:x-4=5/yAnd finally add 4:x=5/y + 4
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Line L goes through point (2,13) and is perpendicular to the line y = 4x-5. Find the equation of line L.