Find the inverse of the matrix, if possible.A = 

A.

B.

C.

D.

Answer: C

Mathematics

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Find the gradient field of the function.f(x, y, z) = 5

A. ?f = 54i + j + 5k
B. ?f = i + j - 5k
C. ?f = 54i + j - 5k
D. ?f = 54i + j + 5k

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Mathematics

Solve.11(x - 2) + (x - 18) = (x + 2)(x - 6)

A. 2, -14 B. 2, 14 C. -2, 14 D. -2, -14

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Mathematics

Solve the compound inequality. Express the solution using interval notation or state that there is no solution.2x - 8 > 2 or -x + 4 ? -4

A. (5, 8] B. (-?, ?) C. (5, ?) D. [5, 8)

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Mathematics

Find the center and the radius of the circle.x2 + y2 + 6x - 4y + 13 = 16

A. (2, -3); r = 4 B. (-2, 3); r = 16 C. (-3, 2); r = 4 D. (3, -2); r = 16

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Mathematics