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## Ms. Battaglia AB/BC Calculus

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**2.2 Basic Differentiation Rules and Rates of**ChangeObjective: Find the derivative using the Constant Rule, Power Rule, Constant Multiple Rule, and Sum and Difference Rules. Find the derivatives of the sine function and of the cosine function. Ms. Battaglia AB/BC Calculus**Thm 2.2 The Constant Rule**The derivative of a constant function is 0. That is, if c is a real number, then Example: FunctionDerivative y = 10 dy/dx = f(x) = 0 f’(x) = s(t) = -2 s’(t) = y = k, k is constant y’ =**Thm 2.3 The Power Rule**If n is a rational number, then the function is differentiable and For f to be differentiable at x=0, n must be a number such that is defined on an interval containing 0.**Using the Power Rule**a. b. c.**Finding the Slope of a Graph**Find the slope of the graph of when a. x = 0 b. x = 1 c. x = 4**Finding an Equation of a Tangent Line**• Find an equation of the tangent line to the graph of when x=1.**Thm 2.4 The Constant Multiple Rule**If f is a differentiable function and c is a real number, then cf is also differentiable and . Thm 2.5 The Sum and Difference Rules The sum (or difference) of two differentiable functions f and g is itself differentiable. Moreover, the derivative of f+g (or f-g) is the sum (or difference) of the derivatives of f and g.**Using the Constant Multiple Rule**a. b. c.**Using the Constant Multiple Rule**d. e. y**Derivatives of the Sine & Cosine Functions**Theorem 2.6**Derivatives Involving Sines & Cosines**a. + 7 b. c.**Example**• Determine the point(s) (if any) at which the graph of has a horizontal tangent line.**Rates of Change**the average velocity is**Classwork/Homework**• AB: Page 116 #59-65 odd, 79, 107, 110, 111, 113, 117,119, graphing worksheet • BC: Page 116 #59-65 odd, 79, 107, 110, 111, 113, 117,119, AP sample problem worksheet