Find the vertex of the graph of the quadratic function.f(x) = x2 + x + 4
A. (1, 6)
B. 
C. (-1, 4)
D. 
Answer: B
Mathematics
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Find the flux of the vector field F across the surface S in the indicated direction.F(x, y, z) = -10i + 9j + 3k , S is the rectangular surface z = 0, 0 ? x ? 7, and 0 ? y ? 5, direction k
A. 105 B. 0 C. 315 D. -350
Mathematics
Graph.4(x - 3)2 + 25(y + 5)2 = 100
A. 
B. 
C. 
D. 
Mathematics
Find the approximate value of the expression with a calculator. Round your answer to three decimal places.tan-1 (-1.5121)
A. 4.128 B. -0.986 C. 2.557 D. 2.155
Mathematics
Find the indicated term of the sequence.an = 5n2(12n - 96); a6
A. -5400 B. -4320 C. 30,240 D. 31,320
Mathematics