Find the sum of the n terms of the indicated geometric sequence with the given values.2, 6, 18, . . . ; n = 5
A. 245
B. 244
C. 252
D. 242
Answer: D
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Find the domain and range and describe the level curves for the function f(x,y).f(x, y) = 
A. Domain: all points in the xy-plane; range: real numbers > 0; level curves: ellipses 
B. Domain: all points in the xy-plane; range: all real numbers; level curves: ellipses 
C. Domain: all points in the xy-plane except (0, 0); range: real numbers > 0; level curves: ellipses 
D. Domain: all points in the xy-plane except (0, 0); range: all real numbers; level curves: ellipses 
Provide an appropriate response.Find the quotient. 
A. 3,413 R62963 B. 3.41362963 C. 3,413.62963 D. 3.413 R62963
Simplify the expression. Use positive exponents. Assume variables represent nonzero real numbers.(-4x3y)4
A. (-4)4x7y4 B. -16x3y C. -16x3y4 D. (-4)4x12y4
John can interview with five of eight companies on Wednesday or four of nine companies on Friday. How many ways can he select the companies to interview?
What will be an ideal response?