1. APPLICATIONS OF NATURAL LOGARITHMS

2. DO NOW 1.Solve 2 x = 30 2.Solve 5 x = 212 3.Solve 10 2X = 52 4.Solve 3(2 x+4 ) = 350 2.866 0.858 3.328 4.907

3. RICHTER SCALE GIVEN: R = log(I) And R = 6.7 6.7 = log I CONVERT TO EXPONENTIAL FORM WHAT IS MY b, x, and N? b = 10 x = 6.7 N = I EXPONENTIAL FORM: b x = N 10 6.7 = I I = 10 6.7

4. GIVEN: R = log(I) And R = 6.2 6.2 = log I CONVERT TO EXPONENTIAL FORM WHAT IS MY b, x, and N? b = 10, x = 6.2, N = I EXPONENTIAL FORM: b x = N 10 6.2 = I I = 10 6.2 WHAT IS THE RATIO OF NORTHRIDGE TO LONG BEACH?

5. PRACTICE #25 ON HANDOUT COMPARE ANSWERS WITH SHOULDER PARNTER ANSWER = 100

6. CONTINUOUSLY COMPOUNDED INTEREST WHAT IS IT??? The process of earning interest on top of interest. The interest is earned constantly, and immediately begins earning interest on itself.

8. PRACTICE #3 AND 4 ON HANDOUT COMPARE ANSWERS WITH SHOULDER PARNTER ANSWERS: 3. 11.55 4. 13.86

9. NEWTON’S LAW OF COOLING

12. BONUS PROBLEMS