1.Determine the limit by evaluating the function for x = 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 20, 50, and 100, If an answer does not exist, enter DNE. Lim as x approaches infinity x^3/3^x
2.Lim as x approaches infinity 1/7x+4
3.Lim as x approaches infinity (x^2+2)/x^3+x^2-1
4.Lim as x approaches infinity cos(x)