Find: : Tangent Lines and Derivatives. 1. x + y = 9 a) Find dy b) Evaluate

Find:

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: Tangent Lines and Derivatives. 1. x² + y² = 9 a) Find dy b) Evaluate at (√5,-2) dx c) Draw the tangent line at (√5,-2) y = f) Find Simplify your answer completely. Step 1: Use the quotient rule to find 2 # d) Write the equation of the tangent line at (√5,-2): Step 2: Substitute the expression found in (a) for. Then simplify. 1 -2 -1 0 -1 e) Does the tangent line lie above or below the graph at (√5,-2)? Step 3: Substitute in the original equation where appropriate. 1 dªy Is positive or dx² negative at (√5,-2)? : Tangent Lines and Derivatives. 1. x² + y² = 9 a) Find dy b) Evaluate at (√5,-2) dx c) Draw the tangent line at (√5,-2) y = f) Find Simplify your answer completely. Step 1: Use the quotient rule to find 2 # d) Write the equation of the tangent line at (√5,-2): Step 2: Substitute the expression found in (a) for. Then simplify. 1 -2 -1 0 -1 e) Does the tangent line lie above or below the graph at (√5,-2)? Step 3: Substitute in the original equation where appropriate. 1 dªy Is positive or dx² negative at (√5,-2)?

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