Please answer this question by using GoldenSection Search method. Which independent variable is going to use to get the maximum? Thank you.

QUESTION $2[35$ MARKS$]$

Table $2$ presents the experimental data and corresponding iron adsorption $(m\frac{g}{L})$ with different combinations of two independent variables of adsorbent amount $(g)$ and $pH$ value.

$\backslash$table$[[$Experimental design parameters,$\backslash$table$[[$Response$],[$Iron adsorbed$],[(m\frac{g}{L})$