Find the product.(g2 - 5)(g2 + g - 7)
A. g4 + g3 - 5g + 35
B. g4 + g3 - 12g2 - 5g + 35
C. g4 - 5g2 - 5g + 35
D. g4 + g3 + 12g2 - 5g + 35
Answer: B
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Find the flux of the vector field F across the surface S in the indicated direction.F = 
k ; S is the upper hemisphere of x2 + y2 + z2 = 25; direction is outward
A. - 10? B. - 10 C. 10 D. 10?
Find the domain and the range of the function.
A. D: (-7, 6); R: (-5, 3) B. D: [-5, 3]; R: [-7, 6] C. D: [-7, 6]; R: [-5, 3] D. D: (-5, 3); R: (-7, 6)
Find the value of the determinant.
A. 390 B. -46 C. 46 D. 10
Solve the problem.When making a telephone call using a calling card, a call lasting 3 minutes cost $0.65. A call lasting 11 minutes cost $1.45. Let y be the cost of making a call lasting x minutes using a calling card. Write a linear equation that models the cost of a making a call lasting x minutes.
A. y = 10x - 
B. y = -0.1x + 0.95
C. y = 0.1x - 9.55
D. y = 0.1x + 0.35