What is a benefit DevOps brings to the way a company works?

Improvements in maintaining software quality, scale and predictability, reduce the cost of designing, testing, writing and deploying software, and satisfy customer requirements faster.

to answer your question:

f(x)= a^x.  if x=0, f(x)=1  if x=1, f(x)=a  if x=1, f(x)=a^a