Write a linear function that describes the poverty threshold in terms of years after 1980. Use x for years threshold. The linear function is T(x) 4200 + 230x X Part 2 of 3 Estimate the poverty threshold in 2010. The poverty threshold was approximately $ 11,100 in 2010. Part: 2/3 Part 3 of 3 In what year will the poverty threshold pass $16,000 per year? G