Exercises 47-54, state whether the function is odd, even, or neither. 47. f(x) = 2x4 48. 8(x) =x3 49, f(x) = Vx2+2 3 50. g(x) = 1+ x 2 51. f(x) = -x + 0.03x + 5 52. f(x) = x' + 0.04x2+ 3