PLEA HLP ASAP!! I WILL GIVE U BRAINLIEST

This question awards 100 ! i really don’t want to fail i will also mark you !

The swimming pool is open when the high temperature is higher than 20∘c. lainey tried to swim on monday and thursday (which was 3 days later). the pool was open on monday, but it was closed on thursday. the high temperature was 30∘c on monday, but decreased at a constant rate in the next 3 days. write an inequality to determine the rate of temperature decrease in degrees celsius per day, d, from monday to thursday.

What is the value of f(x) = 2.2 for f(-2)?