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AP Calculus AB/BC

Photo by Vickie Kelly, 2003. Greg Kelly, Hanford High School, Richland, Washington. AP Calculus AB/BC. 3.3 Differentiation Rules, p. 116. Colorado National Monument. The derivative of a constant is zero.

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AP Calculus AB/BC

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  1. Photo by Vickie Kelly, 2003 Greg Kelly, Hanford High School, Richland, Washington AP Calculus AB/BC 3.3 Differentiation Rules, p. 116 Colorado National Monument

  2. The derivative of a constant is zero. If the derivative of a function is its slope, then for a constant function, the derivative must be zero. Constant Rule, p. 116 Example 1:

  3. Power Rule, p. 116 This is part of a pattern. Examples 2a & 2b: The Power Rule works for both positive and negative powers

  4. Constant Multiple Rule, p. 117 Example 3 where c is a constant and u is a differentiable function of x.

  5. Constant Multiple Rule, p. 117 where c is a constant and u is a differentiable function of x. Sum and Difference Rules p. 117 where u and v are differentiable functions of x. Example 4a Example 4b (Each term is treated separately)

  6. Horizontal tangents occur when slope = zero. Example 5 Find the horizontal tangents of: Plugging the x values into the original equation, we get: (The function is even, so we only get two horizontal tangents.)

  7. Example 5 (cont.)

  8. Example 5 (cont.)

  9. Example 5 (cont.)

  10. Example 5 (cont.)

  11. Example 5 (cont.)

  12. First derivative (slope) is zero at: Example 5 (cont.)

  13. Product Rule, p. 119 Notice that this is not just the product of two derivatives. This is sometimes memorized as: Example 6:

  14. Quotient Rule, p. 120 or Example 7: u′ u v v′ v2

  15. Example 8 Find the tangent’s to Newton’s Serpentine at the origin and at the point (1, 2).

  16. Example 8 (cont.) For the point (1, 2), plug in 1 for x. Next, find the slopes at the given points. For the point (0, 0), plug in 0 for x. y′ will be the slope. So, m = 0 and the equation for the tangent is y = 2 since the m is 0. So, m = 4 and the equation for the tangent is y = 4x since the y-intercept is 0.

  17. Example 9: Find the first four derivatives of

  18. is the first derivative of y with respect to x. is the second derivative. is the third derivative. is the fourth derivative. Higher Order Derivatives, p.122 (y double prime)

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