Which trigonometric functions are undefined when x = 0? (Enter the abbreviation for each function. Enter your answers as a comma-separated list.

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.

Ibeg you to me 20. a reaction produces 4.93 l of oxygen, but was supposed to produce 1 mol of oxygen. what is the percent yield?

If f(x) = 4x - 3 and g(x) = x + 4, find (f - g) (x)