Consider a rectangle with sides of length 2x and x-5. Call the perimeter P and the area A. Simplify your answers when possible. a) Write A as a function of x.
b) Can you write x as a function of A? If possible, do it. If not possible, explain why not.
c) Write P as a function of x.
d) Can you write x as a function of P? If possible, do it. If not possible, explain why not. .
e) Can you write A as a function of P? If possible, do it. If not possible, explain why not.
f) What are the possible values for x? Explain.