Total expenditures in a country (in billions of dollars) are increasing at a rate of f(x) = 9.02x + 87.27, where x = 0 corresponds to the year 2000. Total expenditures were $1588.98 billion in 2002.
a. Find a function that gives the total expenditures x years after 2000.
b. What will total expenditures be in 2018?
a. What is the function for the total expenditures?
F(x) =
(Simplify your answer. Use integers or decimals for any numbers in the expression.)
b. In 2018, total expenditures will be $ billion.
(Type an integer or a decimal.)