The Elapsed Time in Seconds Since January 1,2000 at 12:00

question 182

Essay

The elapsed time in seconds since January 1,2000 at 12:00 a.m.depends on the elapsed hours since January 1,2000 at 12:00 a.m.
(a)Write a function e(h)for the elapsed seconds since January 1,2000 at 12:00 a.m.when the elapsed hours are h.
(b)What is the domain of the function out of context?
(c)What is the domain of this function in the given context?
(d)Find e(t),e(-t),e(100t),and e(-100t).
(e)What does multiplying the elapsed hour by -1 mean?

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