No explaning just the answer

An equation of the line tangent to y=x^3+3x^2+2 at its point of inflection is

A. 127 cm^2 b. 144.5 cm^2 c. 172 cm^2 d. 50 cm^2

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.