Answer:
21,875: 21,880, 21900, 22,000, 20,000
85,000: 85,000, 85,000, 85,000, 90,000
36,243: 36,240, 36,200, 36,000, 40,000
54,999: 55,000, 55,000, 55,000, 50,000
The equivalent value of the sum for any value of "x" is 12x - 6
Given the sum of the expression as:
3
∑ k(2x-1)
k=0
We need to take the sum of the function at the point where k = 0 to 3
∑ k(2x-1) = 0(2x-1) + 1(2x - 1) + 2(2x-1) + 3(2x - 1)
∑ k(2x-1) = 2x-1+4x-2+6x-3
∑ k(2x-1) = 12x - 6
Hence the equivalent value of the sum for any value of "x" is 12x - 6
Learn more on sum functions here: brainly.com/question/24295771
