Place the correct symbol (<, >, or =) between the pair of real numbers. -( -9 ) -9.

A) - (-9 ) < -9
B) - (-9 ) > -9
C) - (-9 ) = -9


B) - (-9 ) > -9

Mathematics

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Find the limit. 

A. - 
B. 0
C. Does not exist
D. - 

Mathematics

Find the equation of the tangent plane to the given surface at the indicated point.2xyz + 2x2y - z3 = 0, (1, -3, 7)

A. -54(x - 1) + 16(y + 3) = -153(z - 7) B. -54(x + 1) + 16(y - 3) - 153(z - 7) = 0 C. -54(x - 1) - 16(y + 3) - 153(z - 7) = 0 D. -54(x - 1) + 16(y + 3) - 153(z - 7) = 0

Mathematics

Find the derivative of the function.f(x) = x5 log7 x 

A. x4  + 5x4log7x
B. (ln 7x4  + 5x4log7x
C.   
D.   + 5x4log7x

Mathematics

Factor the expression completely.400n2 - 6500n - 5100 (biology)

A. 100(4n2 - 65n - 51) B. 100(4n - 3)(n + 17) C. 100(4n + 3)(n - 17) D. (400n + 300)(n - 17)

Mathematics