What is the coefficient of the second term in this expression?

7 + 2n

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?

If f(x)=3x+1 and f^-1=x-1/3, then f^-1(7)=

Which of the following tables represents exponential functions?