A limited edition poster increases in value each year. After 1 year, the poster is worth $20.70. After 2 years, it is worth $23.81. Which equation can be used to find the value,y, after x years? (Round money values to the nearest penny.)
I got this equation by doing 23.81-20.70 to find m, which is 3.11. Then to find b, or y-intercept, I subtracted 3.11 from 20.70 to get the origin all price and got 17.59
