JosherNN JosherNN 04-01-2023 Mathematics contestada 2nd exercise of a 5-part course. Giving 100p for each. Total of 500p. (Everything must have a procedure) 2. Convert the next rectangular functions into polar functions: I. [tex]y=x^{2} +4x+5[/tex] II. [tex]y=x+1[/tex] III. [tex]y=\frac{x^{2} }{1+3x^{2} }[/tex] IV. [tex]y=\frac{1}{2x-13}[/tex]