Business Email The average number of email messages sent and received per corporate user per day in year t between 2011 (t = 1) and 2015 (t = 5) is projected to be f(t) = 2t + 69 (1 ≤t≤ 5). The average number of spam emails sent per corporate user per day for the period under consideration is projected to be g(t) = -0.2t + 13.9 (1 ≤t≤ 5). (a) Find a function, h, giving the projected average number of legitimate (non spam) emails sent and received per corporate user per day in year t. Hint: h(t) = f(t) = g(t). h(t) = (b) Compute f(5). Compute g(5). Compute h(5).

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