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The percentage of users logged on to a network as a function of time x in...

The percentage of users logged on to a network as a function of time x in hours is given by: G(x) = 100/(1 + 3e −x/4) a) What percentage of users are initially logged on to the network at x = 0 hours? b) Will at least half of all users be logged on to the network by x = 4 hours? c) Find the derivative of G(x). d) Determine the equation of the tangent to G(x) at x = 0 hours.

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