Functions and More Functions

Calculus Level 1

\[ \frac { f\big( \sqrt { 6 } \big) -f\big( \sqrt { 8 } \big) }{ \sqrt { 6 } -\sqrt { 8 } } \]

Given the function \(f\left( x \right) =\frac { 3 }{ 5 } x+\sqrt { 3 },\) evaluate the expression above.