Chapter 8 Review. Rewrite into logarithm form: 1. 2.

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Presentation transcript:

Chapter 8 Review

Rewrite into logarithm form: 1. 2.

Rewrite into exponential form: Simlify: 5. 6.

Use a calculator to evaluate – round to 3 decimal places Tell whether the function is exponential growth or decay: 9. f(x) = GROWTH

Expand: log 8 x 5 y log 5 5log 8 x + log 8 y log log 5 x-3log 5 y

Condense: 12. ln56 – ln8 ln log 2 x + 4log 2 y log 2 x 3 y 4

Use change of base formula to evaluate: log log 3 16 log11 log log16 log

Solve: x-7 = 16 x e x-2 = 8 4 3x-21 = 4 2x+22 3x-21 = 2x+22 x = 43 lne x-2 = ln8 x-2 = ln8 x = ln8+2 x=4.079

2log 5 (x-1) = Log 3 (2x-3) =3 X-1 = 25 X = 26 2X-3 = 27 2x = 30 x = 15

20. Continuous compounded interest uses the formula: A = Pe rt. You deposit $3000 in an account that pays 3% annual interest compounded continuously. What is the balance after 1 year? A = 3000e.03(1) $

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