The functionsf(x) =xandg(x) =xare their own inverse functions.

Explain why this is true. They are their own inverse functions because both graphs are symmetric with respect to

---Select---

a) the origin

b) the y-axis

c) the x-axis

d) the line y = x

Find a formula for a family of linear functions that are their own inverse functions. (Use the variablesyandx, and letcrepresent any constant.)