Cho hai tập hợp A={1;2;3;4},B={2;4;6;8} . Tập hợp nào sau đây bằng tập hợp A ∩B ?

Do some research and find a city that has experienced population growth. determine its population on january 1st of a certain year. write an exponential function to represent the city’s population, y, based on the number of years that pass, x after a period of exponential growth. describe the variables and numbers that you used in your equation.

If (x-2) 2= 49, then x could be a. -9 b. -7 c.- 2 d. 5 e.9

If y varies directly as x2 and y=6 when x=6, find the constant of variation.