Simplify the expression and give your answer in the form of $\displaystyle {\frac{{{f{{\left({y}\right)}}}}}{{{g{{\left({y}\right)}}}}}}.$ 

$\displaystyle {\frac{{{y}^{{2}}+{4}{y}}}{{{y}^{{2}}-{16}}}}$




Your answer for the function $\displaystyle {f{{\left({y}\right)}}}$ is : Preview Question 6 Part 1 of 2  
Your answer for the function $\displaystyle {g{{\left({y}\right)}}}$ is : Preview Question 6 Part 2 of 2