# 1. Consider the Fibonacci function, F(n) (see Proposition 4.20). Show by induction that F(n) is…

1. Consider the Fibonacci function, F(n) (see Proposition 4.20). Show by induction that F(n) is Ω((3/2)n).

2. Let S be a set of n lines in the plane such that no two are parallel and no three meet in the same point. Show, by induction, that the lines in S determine Θ(n2) intersection points.

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