Concept explainers
In Exercises 5-10, use
to determine the regular payment amount, rounded to the nearest dollar.
To pay off the $4200 credit card balance in Exercise 5, suppose that you can get a bank loan at 10.5% with a term of three years.
a. How much will you pay each month? How does this compare with your credit card payment in Exercise 5?
b. How much total interest will you pay? How does this compare with your total credit card interest in Exercise 5?

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Chapter 8 Solutions
THINKING MATHEMATICALLY WITH INTEGRATED
- Use 12.4.2 to determine whether the infinite series on the right side of equation 12.6.5, 12.6.6 and 12.6.7 converges for every real number x.arrow_forwarduse Cauchy Mean-Value Theorem to derive Corollary 12.6.2, and then derive 12.6.3arrow_forwardExplain the focus and reasons for establishment of 12.5.4arrow_forward
- Explain the focus and reasons for establishment of 12.5.3 about alternating series. and explain the reason why (sigma k=1 to infinite)(-1)k+1/k = 1/1 - 1/2 + 1/3 - 1/4 + .... converges.arrow_forwardExplain the key points and reasons for the establishment of 12.3.2(integral Test)arrow_forwardUse identity (1+x+x2+...+xn)*(1-x)=1-xn+1 to derive the result of 12.2.2. Please notice that identity doesn't work when x=1.arrow_forward
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