Find the sum Sn of the first n terms of the geometric sequence. 4, 12, 36, 108, 324, . . . ; n = 9
A. 39,344
B. 39,364
C. 39,401
D. 39,366
Answer: B
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Provide an appropriate response.Divide the polynomial x3 + x2 + 2x + 1 by x - 1 to give the quotient and remainder.
What will be an ideal response?
Find the product.(7 - 9x)2
A. 49x2 - 126x + 81 B. 49 + 81x2 C. 49 - 126x + 81x2 D. 49 - 126x - 81x2
Solve the problem.You have 120 feet of fencing to enclose a rectangular plot that borders on a river. If you do not fence the side along the river, find the length and width of the plot that will maximize the area.
A. length: 60 feet, width: 60 feet B. length: 30 feet, width: 30 feet C. length: 60 feet, width: 30 feet D. length: 90 feet, width: 30 feet
Find the domain and the range for the function.
A. Domain: (
, ?), Range: (-?, 0]
B. Domain: (-?, -6], Range: [0, ?)
C. Domain: (-?, -6) ? (-6, ?), Range: (-?, 0) ? (0, ?)
D. Domain: (-?, ?), Range: [0, ?)