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    Calculus A Complete Course
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    Exam 3: Differentiation
  5. Question
    Find the Points at Which the Curve + 6xy
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Find the Points at Which the Curve + 6xy

Question 105

Question 105

Multiple Choice

Find the points at which the curve Find the points at which the curve   + 6xy + 5   = 80 has horizontal tangent lines. A)  (3, -5)  and (-3, 5)  B)  (3, 5) , (5, -3) , (-3, 5) , and (-5, -3)  C)  (5, -3)  and (-5, 3)  D)  (3, 5) , (3, -5) , (-3, 5) , and (-3, -5)  E)  The curve does not have horizontal tangent lines. + 6xy + 5 Find the points at which the curve   + 6xy + 5   = 80 has horizontal tangent lines. A)  (3, -5)  and (-3, 5)  B)  (3, 5) , (5, -3) , (-3, 5) , and (-5, -3)  C)  (5, -3)  and (-5, 3)  D)  (3, 5) , (3, -5) , (-3, 5) , and (-3, -5)  E)  The curve does not have horizontal tangent lines. = 80 has horizontal tangent lines.


A) (3, -5) and (-3, 5)
B) (3, 5) , (5, -3) , (-3, 5) , and (-5, -3)
C) (5, -3) and (-5, 3)
D) (3, 5) , (3, -5) , (-3, 5) , and (-3, -5)
E) The curve does not have horizontal tangent lines.

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