Question: The function f is defined by f: xax + b, for x = R, where a and b are constants. It is given that

The function f is defined by f: xax + b, for x = R, where a and b are constants. It is given that f(2) = 1 and f(5) = 7. (i) Find the values of a and b. (ii) Solve the equation ff(x) = 0. [2] [3]

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