Unmarried Couples The number of unmarried-couple house-holds, h (in millions), can b...

Unmarried Couples The number of unmarried-couple house-holds, h (in millions), can be approximated using the equation

h = 0.229n + 2.913,

where n is the number of years since 1990 (Census Bureau, www.census.gov).

a. Find and interpret the n-intercept for the line.

b. Find and interpret the h-intercept for the line.