Question 1017125
i think it's probably selection a.


a constant function is a linear function, but it's inverse is not a function.


read this:


<a href = "http://www.chilimath.com/algebra/advanced/inverse/inverse-of-constant-function.html" target = "_blank">http://www.chilimath.com/algebra/advanced/inverse/inverse-of-constant-function.html</a>