Find a bound on the error in approximating the definite integral using the trapezoidal rule with 8 intervals.
?
?
A. 0.1773108
B. 0.1110032
C. 0.0629052
D. 0.0625000
E. 0.0403685
Answer: D
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The following graph shows the actual percentage of U.S. households with a computer as a function of household income (the data points) and a logistic model of these data (the curve). The logistic model is
?
?
where x is the household income in thousands of dollars. For low incomes, the logistic model is approximately exponential. Which exponential model best approximates P(x) for small x? Round the coefficients to the nearest hundredth.
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?
A. 
B. ?
C. ?
D. ?
E. ?
Determine the following ratio. Write the ratio as a fraction in lowest terms.92 minutes to 9 hours
A. 92:9 B. 135:23 C. 9:92 D. 23:135
Provide an appropriate response.Which of the two methods presented in the text would you use to simplify the complex rational expression 
? Why?
What will be an ideal response?
Find the pivot row of the tableau 
is row.
A. 1 B. 2 C. 3