Algebra II Question

Question

The formula S=2x^2-12x+84 models spending by international travelers to a certain​ country, in billions of​ dollars, x years after 2000. Use this formula to determine in which years international travelers spent ​$74 billion.

Answer 1

74 = 2x² - 12x + 84

0 = x² - 6x + 5

0 = (x - 1)(x - 5)

x - 1 = 0

x = 1

x - 5 = 0

x = 5

2001 and 2005