What is the code? Please help!

If 1 is divided by the sum of y& 4. the result is equal to 3 divided by 4 .find the value of m?

Is each relation a function? if so, state whether it is one-to-one or many-to-one. 3. (-4,7), (-3,5), (1,4), (3,-8), (5,-11) 4. (-4,8), (-2,4), (0,1), (2,4), (4,8) 5. (-2, 1), (-2,3), (0,-3), (1,4), (3,1)

Find the roots of the polynomial function f(x) = x^3 + 2x^2 + x