Consider the function f$($x$)=4$x $-9$e$"*.$Now answer the following:a$)(3$ marks$)$ Compute D$\text{'}"0\mathrm{.}2$ at x $=2\mathrm{.}7$ using Richardson extrapolation method up to $4$significant figures.b$)(2$ marks$)$ Compute D$(30\mathrm{.}2$ at x $=2\mathrm{.}7$ using Richardson extrapolation method up to $4$significant figures.