4. (12 points) Indicate for each of the following pairs of expressions (f(n), g(n)), whether f(n) is 0, 12, or of g(n). Prove your answers. Note, if you choose 0 or 12, you must also show that the relationship is not e. (a) f(n) = 5m3 12n, and g(n) = n. Answer for (a): (b) f(n) = n, and g(n) = n1+sinn Answer for (b): Answer for (v): |