4. 3. 7. 6 nlamoso rlw zn (a) Find the function A(x) that gives the area of a double square of width x. (b) Find the function P(x) that gives the perimeter of a double square of width x. (c) Use the Pythagorean theorem to obtain the function D(x) for the length of the diagonal of a double square of width x. 25. Solve each of these Guess My Rule games: (a) Guess 4. 7. 1. Response 9 bowan ro ca 6. daidw lo dase 12 15 5. 6. (b) Guess 4 20 7. 8 20 911 乙 6. Response 10 (c) Guess 4. 0. 3. 5. 7. Response 17 101 10 26. Che is "It" in a game of Guess My Rule. The students' inputs and Che's outputs are shown in the following table: Input Given to Che 52 0-2 -5 Output Reported by Che 24 3 15 -1 3. 24 (a) Guess Che's rule (function), y = C(x). (b) Antonio says that Che's rule is C(x) = x – 1, but Claudette claims that it is C(x) = (x + 1)(x – 1). Who is correct, Antonio or Claudette? Explain. %3D %3D