Question 468719


{{{f(x) = sqrt(2x-3)}}}, find {{{f(12.8)}}}


{{{f(12.8) = sqrt(2(12.8)-3)}}}


{{{f(12.8) = sqrt(25.6-3)}}}


{{{f(12.8) = sqrt(22.6)}}}

{{{f(12.8) = 4.7539457296018851376161486551456}}}

{{{f(12.8) = 4.7539}}}