What is 20 times 20 plus 10

If f(x)= 3x+6 which of the following is the inverse of f(x)

Mexico city, mexico, is the world's second largest metropolis and is also one of its fastest-growing cities with a projected growth rate of 3.2% per year. its population in 1991 was 20,899,000 people. use the formula p = 20.899e0.032t to predict its population p in millions with t equal to the number of years after 1991. what is the predicted population to the nearest thousand of mexico city for the year 2010?

Write and solve a real word problem that involves determining distance on a coordinate plane