41. We can now form all sorts of functions of time which we may integrate over the path. 42. So, the time delay diminshes as a function of time , making the clock look like moving faster. 43. There must, of course, be practical exceptions to that rule, most of them a function of time . 44. Finding the velocity as a function of time involves solving a differential equation and verifying its validity. 45. It's just a function of time ." 46. The difference is used for the calculation of the noise disturbance as a function of time and frequency. 47. "It's really a function of time . 48. How long it takes to get to the entire force will be a function of time and opportunity. 49. This study also revealed that cultural adaption is also a function of time spent in the host environment. 50. The result for each planet is an orbit, a simple description of its position as function of time .