Hello I need help completing question 3 and question 12 please

6240 II" '3' C} i webassignnet does the function f(t)g(t) represent? O The price per share of [BM in dollars aer time t. O The price per share of [BM in dollars at time t. O The value in dollars of Nancy's shares of IBM after time t. o The value in dollars of Nancy's shares of IBM at time t. O The number of Nancy's shares of IBM alter time t. O The number of Nancy's shares of IBM at time t. PREVIOUS ANSWERS TANAPMATHT 2.4.060.NVA ASK YOUR TEACHER PRACTICE ANOTHER The average number of email messages sent and received per corporate user per day in a year day in year t between 2011 (c = l) and 2015 (t : 5) is projected to be r(r):3t+64 (IStSS). 11 . [111 Points] 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 + 13.3 (1 5 ts 5). (3) 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) * 9(0) 32f + 50.7 'p (b) Compute f(5), 9(5), and h(5). hit) : IS \"(5) : 5) - 9(5)? 0 Yes ONo I 12. [0.25/1 Points] PREVIOUS ANSWE RS TANAPMATHT 2.4.068.NVA I PRACTICEANOTHER l MY NOTES ASK YOUR TEACHER A study prepared for the National Association of Realtors estimated that the number of housing starts per year over the next 5 years will be 7 Mr) = 1 + 0.0er million units, where r (percent) is the mortgage rate. Suppose the mortgage late r months from now will be 5t + 75 :