An economist had determined that a certain country’s gross domestic product (GDP) is approximated by the

Question

An economist had determined that a certain country’s gross domestic product (GDP) is approximated by the

function f(x) = 720×1/5, where f(x) is measured in billions of dollars andx is the capital outlay in billions of dollars. Use differentials to estimate the change in country’s GDP if the country’s capital expenditure changes from 243 billion to 248 billion.

ALL WORK MUST BE SHOWN

Math