A: Find a linear function f⊥ perpendicular to f left parenthesis x right parenthesis equals negative seven fifths x minus eight ninths
f(x)=-7/5x-8/9 passing through the point ?(5,8)
B: Find a linear function f⊥ perpendicular to f left parenthesis x right parenthesis equals 1.46 x minus 19.76
f(x)=1.46x-19.76 passing through the point ?(52.3,88.2)