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Logs – Solve USING LOGS METHOD. #83-91. Answers 74-82: 375) 3/276) 1 -178) 4/579) -3/2 80) 281) ¼82) 4/9. Review: Sketch the graph . Review: Growth or decay? Find the y-intercept. Review: You purchase a car for $17000. It - PowerPoint PPT Presentation
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Logs – Solve USING LOGS METHOD
#83-91
Answers 74-82:
74) 3 75) 3/2 76) 177) -1 78) 4/5 79) -3/280) 2 81) ¼ 82) 4/9
Review: Sketch the graph
xy 221
Review: Growth or decay? Find the y-intercept.
x
y
232
x
y
32
Review: You purchase a car for $17000. Itdepreciated at a rate of 3.25 per year. How much will the car be worth in 4 years?Write an equation, then find the amount. Round to the nearest cent.
Review: You deposit $1500 in a continuously compounded account with an annual interest rate of 3.15%. How much will be in the account after 6 years? Write an equation, then find the amount. Round to the nearest cent.
3log x
Ex) Review: Write in exponential form.
x2log3
x 62
Ex) Review: Write in log form.
xe 3
2
32logyx
Ex) Review: Expand.
3 25ln x
xlog23log
Ex) Review: Condense.
)2ln(4ln5 xx
15log7
Ex) Review: Write as a quotient of 2 common logs.
xylog
93 x
Ex) Review: Solve using the same base method.
8163 x
Ex) Review: Solve using the same base method.
2792 x
Ex) Review: Solve using the same base method.
81133 x
Ex) Review: Solve using the same base method.
21636 12 x
Ex) Review: Solve using the same base method.
543 x
Ex) NEW: Solve using logarithms. Round to 4 decimal places.
1008108 x
Ex) NEW: Solve using logarithms. Round to 4 decimal places.
6692 x
Ex) NEW: Solve using logarithms. Round to 4 decimal places.
1254 x
Ex) NEW: Solve using logarithms. Round to 4 decimal places.
24515 32 x
Ex) NEW: Solve using logarithms. Round to 4 decimal places.
14425 12 x
Ex) NEW: Solve using logarithms. Round to 4 decimal places.
