Review Sheet for CP Calculus Quiz 2-3 and 2-4

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u = v = u’ = v’ =

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Review Sheet for CP Calculus Quiz 2-3 and 2-4

1. Write out the Power Rule. (You will need to know this on the quiz – it will not be given to you!)

2. Write out the Product Rule. (You will need to know this on the quiz – it will not be given to you!)

3. Write out the Quotient Rule. (You will need to know this on the quiz – it will not be given to you!)

4. Write out the Chain Rule. (You will need to know this on the quiz – it will not be given to you!)

5. Use the Power Rule to find the derivative of to re-write this function first so everything is to a power!) y

5 x 5 

2 x 4 

7 x 2 x

1 2 x 3 x 6

 3 x 2

(Hint- you need

6. Use the Product Rule to find f ’(x) when f(x) = (3 x

2  

1)(5 x

3 

2 x

2 

7)

7. Use the Quotient Rule to find dy dx

if y

5 x

2 

2

2 x

1 x u = v = u’ = v’ =

8. Use the Chain Rule to find the derivative of ( )

(2 x

3 x 1)

5

(Hint- derivative of the inside = ?)

9. Use the Product Rule (and the Chain Rule!) to find the derivative of f x

( x

3

3 x 1) (2 x

3)

10. Find dy dx

if y

8 x

 x

 x

2

)

11. Suppose f and g are functions with values f (3) = 2, g (3) = -10, f ‘(3) = -1, and g‘(3) = 7. a. Find ( f

 g ) '(3) b. Find ( g

3 ) '(3) c. Find ( fg ) '(3) (Hint- Product Rule!) d. Find g

'

(3)

(Hint- Quotient Rule!)

12. Find the derivative of f(x) =

4 x 3 

5

3 x

7

 5

(Think about what rule and re-writing!)

13. What is the derivative of f(x) = |x|? Explain. What would it look like as a piecewise function?? f '( )

 

14. Use implicit differentiation to find the derivative if 4 x

2  y

2 

9

15. Use implicit differentiation to find the equation of the tangent line for the equation from #14 at the point (1, -1).

Extra Practice!

1. Use implicit differentiation on the equation x y

 y x

 x

2 

3 to find dy dx

and the equation for a tangent line at the point (-3, 1).

2. Use the Quotient Rule (and the Chain Rule!) to find the derivative of y

(2 x

2 

3)

2

(3 x

7)

3. Find the derivative of f x

(2 x

2 

5 x

7) ( x

2 

2)

2

4. Find dy dx

if y

 x

2 3

(9 )

8 x

5. Find the derivative of f(x) = 4 x

3 

5

3 x 7

6. Use implicit differentiation to the tangent line of y

6 

3 x 4 0 at the point (1, 1).

7. Suppose f and g are functions with values f (3) = 6, g (3) = 3, f ‘(3) = -8, and g‘(3) = 1. a. Find ( f

 g ) '(3) b. Find ( g

3 ) '(3) c. Find ( fg ) '(3) (Hint- Product Rule!) d. Find g

'

(3)

(Hint- Quotient Rule!)

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