1. Total expenditures in a country (in billions of dollars) are increasing at a rate of f(x)=9.02x + 87.29, where x=0 corresponds to the year 2000. Total expenditures were $1584.02 billion in 2002. a. Find a function that gives the total expenditures x years after 2000. b. What will total expenditures be in 2013 ? What is the function for the total expenditures? F(x) = In , total expenditures will be $???? billion (Type an integer or a decimal.) 2. The population of a country was 5.408 million in 1990. The approximate growth rate of the country's population is given by f(t)=0.09480224e^0.01753t , where t=0 corresponds to 1990. a. Find a function that gives the population of the country (in millions) in year t. b. Estimate the country's population in2017 . What is the function F(t)? F(t)= In ,2017 the population will be about ??? million. Type an integer or decimal rounded to three decimal places as needed