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Algebra Review II
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- 1The monthly demand and supply functions for Luminar desk lamp are given by; d(x)=-1.1x2+1.5x+40 s(x)=0.1x2+0.5x+15 Find the equilibrium price and quantity if p is measured in dollars and x in units of thousand.Equilibrium quantity is 5000 and equilibrium price is $20
- 2Express this equation in logarithmic form
- 3Solve this equation ( without using calculator)x=-2
or
x=3
- 4Solve for x
- 5Solve for x
- 6The number of students who contracted influenza after t days could be approximated by the exponential model below. If 90 students contracted the flu by day 10, how many students contracted the flu by day 20?
- 7The temperature of a cup of coffee at time t is given by the equation below. Initially, the temperature of the coffee was 200F. Three minutes later , it was 180F. When will the temperature of the coffee be 150F?
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- This is review exercises for application of algebra in economics
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- Yasmin Bani
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