Question: (a) Let x 1 = 0, x 2 = 1. Find the unique linear function f(x) = ax + b that has the sample vector

(a) Let x1 = 0, x2 = 1. Find the unique linear function f(x) = ax + b that has the sample vector f = (3, − 1)T. 

(b) Let x1 = 0, x2 = 1, x3 = −1. Find the unique quadratic function f(x) = ax2 + bx + c with sample vector f = (1,−2, 0 )T.

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