Use the given graph to find the x-intercepts.
A. 4, 1
B. -4, 1
C. -1, 4
D. -4, -1
Answer: B
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Solve.1.3x - 4.4 > 0.8x - 2.2
A. (-?, 4.5) B. (-?, 4.4) C. (4.5, ?) D. (4.4, ?)
Solve the problem.The voltage v (in volts) induced in a tape head is given by 
where t is the time (in seconds). Find the average value of v over the interval from t = 0 to t = 3. Round to the nearest volt.
A. 6502 volts B. 1100 volts C. 71,327 volts D. 16 volts
A simplex matrix for a standard maximization problem is given. Indicate whether or not the solution shown is complete (optimal). If the solution is not complete, find the next pivot or indicate that no solution exists.
?
?
A. next pivot: 4 in R3C1 B. next pivot: -3 in R4C1 C. next pivot: 2 in R1C1 D. optimal solution E. no solution
The following table shows the distribution of household incomes for a sample of 1,000 households in the U.S. with incomes up to $100,000. Income Bracket0 - 19,99920,000 -39,99940,000 - 59,99960,000 - 79,99980,000 - 99,999Households270290190150100? Use this information to estimate, to the nearest $1,000, the average household income for such households. ?
A. 
B. 
C. ?
D. 
E. 