A food service worker Ernst $12 per hour how much money M does the worker earn on a shift of H hours

If g^-1(x) is the inverse of g (x) which statement must be true

Arefrigeration system at your company uses temperature sensors fixed to read celsius (°c) values, but the system operators in your control room understand only the fahrenheit scale. you have been asked to make a fahrenheit (°f) label for the high temperature alarm, which is set to ring whenever the system temperature rises above –10°c. what fahrenheit value should you write on the label?

I’m really confused and need your assist me with this question i’ve never been taught