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.

3. solve by graphing: y = 2x + 6 x + y = -3

Scott harris can invest $7,000 in a 1-year cd that earns interest at an annual rate of 4 percent compounded monthly. the amount per $1.00 is 1.040742. he can also invest $7,000 in a 1-year cd at annual rate of 4 percent compounded quarterly. the amount per $1.00 is 1.040604. what is the difference in the amount of interest earned for each investment? a) $0.96 b) $0.81 c) $0.87 d) $0.88

The graph shown is the graph of which function?