Given the function:
[tex]f(x)=2x^2+5\sqrt[]{x-2}[/tex]
to find f(3), we have to make x = 3 and substitute on the function, to get the following:
[tex]\begin{gathered} f(3)=2(3)^2+5\sqrt[]{3-2}=2(9)+5\sqrt[]{1}=18+5=23 \\ \end{gathered}[/tex]
therefore, f(3)=23
