Question 1: F(t)= -{³ (a) 5. 2t+1 (b) 500-1500 t-1 The amount of money raised during a fund-raising campaign is modeled by the function F defined above, where F(t) is measured in United States dollars and t is the time in days since the campaign began. 3 for 0 < t < 4 for t≥ 4 Find limt→ F(t). Explain the meaning of limt F(t) in the context of the problem. Is the function F(t) continuous at t = 4 ? Justify your answer.

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