Let f and g be the function from the set of integers to itself, defined by f(x) = 2x + 1 and g(x) = 3x + 4. Then the composition of f and g is А) 6х +6 в) 6х +7 с) 6x +9 D) 6x + 8

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A: See the solution.

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Q: 3. Prove that the function f: R – {3} → R - {1} defined by f(x) = , is one-to-one correspondence.

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Q: Let f(x,y,z,w)=45x3z-1/y+wz3. Evaluate f(a,b,c,d) where a,b,c are non-zerol real numbers

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