Question: Let (a) Show that is one-to-one if and only if bc - ad 0. (b) Given bc - ad 0, find

LetP + x ax + b (x)

(a) Show that ƒ is one-to-one if and only if bc - ad ≠ 0.

(b) Given bc - ad ≠ 0, find ƒ-¹.

(c) Determine the values of a, b, c, and d such that ƒ = ƒ-¹.

P + x ax + b (x)

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