Sarah’s plant was 2 inches high when she brought it home from the store. It grows a ½in per week. Write an equation to model the height of Sarah’s plant y,
in inches over x weeks.

Solve: 25 points find the fifth term of an increasing geometric progression if the first term is equal to 7−3 √5 and each term (starting with the second) is equal to the difference of the term following it and the term preceding it.