100-10=90
90÷2=45
Mr Bergen's age=45+10
=55 years old
Mrs Bergen's age=45 years old
Answer:
Notation. The inverse of the function f is denoted by f -1 (if your browser doesn't support superscripts, that is looks like f with an exponent of -1) and is pronounced "f inverse". ... The inverse of a function does not mean the reciprocal of a function.
Step-by-step explanation:
I hope this helps you!