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rayred
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Homework Statement
a) Find f ([0,3]) for the following function:
f(x)=1/3 x^3 − x + 1
b) Consider the following function :
f(x) = e^(−ax) (e raised to the power of '-a' times 'x') a, x ∈ [0,∞)
Find values of a for which f is a contraction .
c) Prove that for all x,y ≤ 0 | 2^x −2^y | ≤ |x−y|
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