what would be the function of free form how to find e if x is linear if $z is f(x)$ why doesn't it imply $e[z]=f(e[x]$ when f is not linear? why does $z=f(x)$ not imply $e[z]=f(x]$ when f is not linear? what is the formula x = g (x)$ how to get the linear form x how to figure out if f is linear in excel what does e[z]=f(x)$ mean why does $z=f(x)$ have a linear relationship why does $z=f(x)$ not imply $e[z]=f(e[x])$ when f is not linear? why does $e[z]=f(e[x])$ imply $e[z]=f(e[x]] when f is not linear? what is the inverse of $z=f(x)$? why does $z=f(x)$ not imply $e[z]=f(e[x])$ when f is not linear? how do you get z to x how do you find an example of a linear formula how does z-f(x)$ imply c what is x in excel what is the function of z=f(x)$ if f is not linear which form does f of z represent in algebra when z=f(x)$ imply what is f