Given the following functions: (i) y = f(x)=(x-4), xo=5 (ii) (ii) y=f(x) = (1 + 2x)2, xo=4 which are nonlinear functions. For each function above : a. Compute the linear approximation of f(x) around xo b. Compute the linearized / approximated value of f(x) at: (i) x=6, (ii) x=3,5