Un elev lucreaza la matematica intr-o zi un exercitiu a doua zi doua exercitii a treia zi dublul zilei precedente a patra zi dublul zilei precedente si tot asa in fiecare zi dupa cate zile elevul lucreaza 2047 exercitii dau coroana va rog ajutor!!!

Which function has the same domain as y=2x

Marcus needs to rewrite f(x) = x2 + 6x + 4 in vertex form.

The swimming pool is open when the high temperature is higher than 20∘c. lainey tried to swim on monday and thursday (which was 33 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 33 days. write an inequality to determine the rate of temperature decrease in degrees celsius per day, d, from monday to thursday.