Solve the Problem. -Write an Equation for the Tangent Line to the Curve

question 285

Multiple Choice

Solve the problem.
-Write an equation for the tangent line to the curve xy = 40 at the point (8, 5) .

• A) 8x + 5y = 40
• B) 8x + 5y = 80
• C) 5x + 8y = 80
• D) 5x + 8y = 40

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