
Concept explainers
In Exercises 1-10, use
Round answers to the nearest dollar.
Suppose that you are buying a car for $60,000, including taxes and license fees. You saved $ 10,000 for a down payment. The dealer is offering too two incentives:
Incentive A is $5000 off the price of the car, followed by a five-year loan at 7.34%.
Incentive B does not have a cash rebate, but provides free financing (no interest) over five years.
What is the difference in monthly payments between the two offers? Which incentive is the better deal?

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Chapter 8 Solutions
EBK THINKING MATHEMATICALLY
- Use Heun's method to numerically integrate dy dx = -2x3 +12x² - 20x+8.5 from x=0 to x=4 with a step size of 0.5. The initial condition at x=0 is y=1. Recall that the exact solution is given by y = -0.5x + 4x³- 10x² + 8.5x+1arrow_forwardB: Study the stability of critical points of ODES: *+(x²-2x²-1)x+x=0 and draw the phase portrait.arrow_forwardB: Study the stability of critical points of ODEs: -2x²+x²+x-2=0 and draw the phase portrait.arrow_forward
- 2/ Draw the phase portrait and determine the stability of critical point: ✗ 00 +2X°-x²+1=0arrow_forwardstudy the stability of critical point of oDES: 2 200+ (x² - 2x² - 1) + x=0 and draw the phase portrait.arrow_forwardQ/study the stability of critical point and draw the phase portrait:- to -x-x³ x = 0arrow_forward
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