Use a finite approximation to estimate the area under the graph of the given function on the stated interval as instructed.f(x) = 
between x = 2 and x = 8 using an upper sum with two rectangles of equal width.
A. 
B. 
C. 
D. 
Answer: C
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Provide an appropriate response.Which of the following voting methods does not always satisfy Fairness Criterion 3?
A. Borda count B. Plurality C. Sequential runoff D. Pairwise comparison
Provide an appropriate response. Solve the following using a constant of variation:A berry picker can pick at the rate of one crate every 6 minutes. How many helpers working at the same rate would the berry picker need to get a crate every 3 minutes?
A. 1 B. 2 C. 3 D. 4
The year it incorporated, a company had sales of $280,000. Its sales were expected to increase by $100,000 annually for the next several years. If the forecast was correct, what will sales be in 7 years? ?
A. $875,000 B. $980,000 C. $910,000 D. $770,000 E. $1,180,000
Use Gauss-Jordan elimination to solve the linear system and determine whether the system has a unique solution, no solution, or infinitely many solutions. If the system has infinitely many solutions, describe the solution as an ordered triple involving variable z.4x - y + 3z=12x + 4y + 6z=-325x + 3y + 9z=20
A. (-8, -7, 9) B. (2, -7, -1) C. no solution D. (8, -7, -2)