Find the common ratio for the geometric sequence.
, 
, 
, 
, 
, . . .
A. 
B. 4
C. not geometric
D. 10
Answer: B
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Provide an appropriate response.Find the direction in which the function is increasing most rapidly at the point P0.f(x, y, z) = xy - ln(z), P0(1, -2, 2)
A. 
(-4i - 2j + k)
B. 
(-4i + 2j - k)
C. 
(-4i + 2j - k)
D. 
(-4i + 2j - k)
Add.
+ -131
A. 
B. 320
C. 
D. 58
Solve the problem.The perimeter of a rectangular room is 148 feet. Find the length and width of the room if the length is 2 feet longer than twice the width.
A. width = 48 ft; length = 100 ft B. width = 36 ft; length = 38 ft C. width = 29 ft; length = 60 ft D. width = 24 ft; length = 50 ft
Solve the problem.For the total-cost functionC(x) = x3 - 8x2 + 6x + 50,find ?C and C'(x) when x = 50 and ?x = 1.
A. ?C = $6,849; C'(50) = $6,706 B. ?C = $6,899; C'(50) = $6,706 C. ?C = $6,799; C'(50) = $6,706 D. ?C = $6,849; C'(50) = $6,700