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Algebra 2 Quiz 8.1-8.3 Name ________________________________ Determine whether each equation represents exponential growth or exponential decay. What percent increase or decrease does the function model? 1. y = 70(0.60)x ________________________ Percent ________________ Graph. 3. y = 5x – 2 2. y = 12(1.34)x ___________________________ Percent _______________ Write and exponential equation whose graph passes through the give points. 4. (1, 5), (2, 7) 5. For the years 2000-2005, the median price of a single-family home in the United States can be approximated by the function A = 227,200(1.087)t, where t is the number of years after the year 2000. What is the price of the house in the year 2005? Find the amount in a continuously compounded account for the given conditions. 6. principal: $1000 annual interest rate: 4.8% time: 2 years Evaluate to four decimal places. 7. e2.4 Write in logarithmic form. 8. 62 = 36 Write in exponential form. 9. log2 128 = 7 Evaluate. 10. log2 8