If f- A - B is defined by fx-3 x-1- find the value of f2-f5-f1

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Formula for Sum of n Terms of an AP

If f: A → B i...

Question

If f: A $\to$ B is defined by f(x) = 3x – 1, find the value of f(2) – f(5) + f(1)

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If f (x) is a cubic polynomial such that f (1)=1,f (2)=2,f (3)=3 and f (4)=16. Find the value of f (5).

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⎧ ⎨ ⎩ \begin{matrix} 1 + x, 1 \leq x < 2 2 x - 1, 2 \leq x < 4 3 x^{2} - 10, 4 \leq x < 6 \end{matrix}

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