The table gives interest rates for various U.S. Treasury Securities on January 2, 2015.

(a) Make a scatter diagram of the data.

(b) Which type of function will model this data best: linear, exponential, or logarithmic?

Time............................. Yield

3-month .......................0.02%

6-month .......................0.10%

2-year ...........................0.66%

5-year ...........................1.61%

10-year .........................2.11%

30-year .........................2.60%