Solve for CA and for X for the two problems. Will give brainlest

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.

A(1,1) b(-3,0) c(-4,-1) d(3,-2) drag it to correct position

Let f(x) = 5/x and g(x)=2x2+5x. what two numbers are not in the domain of f o g