Dylan deposited three force of his paycheck into the bank the deposit slip shows how much he deposited right into opening question to find them out of his paycheck. I need help on the equation then the solution

Given f(x)= 9x+1 and g(x)=x^3, choose the expression (f*g)(x)

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.

True or false look at the picture pls : /