By: Micah Pollak, Indiana University Northwest
Pre-Test Question:

Chapter 2. Pre/Post Test Questions: Derivatives

Math and Graphing Review
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You must read each slide, and complete any questions on the slide, in sequence.

What is the derivative of the function f(x)=50+10x-3x2-5x3
Correct! The derivative of the function is f'(x)=10-6-15x3.
Sorry, The derivative of the function is f'(x)=10-6-15x3.
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      1.

      What is the derivative of the function f(x)=10
      Correct! The derivative of the function is f'(x)=0.
      Sorry, The derivative of the function is f'(x)=0. The derivative of a constant is zero.

      2.

      What is the derivative of the function f(x)=50+10x
      Correct! The derivative of the function is f'(x)=10.
      Sorry, The derivative of the function is f'(x)=10 using the addition rule and the power rule.

      3.

      What is the derivative of the function f(x)=10x9
      Correct! The derivative of the function is f'(x)=90x8 using the power rule.
      Sorry, The derivative of the function is f'(x)=90x8 using the power rule.

      4.

      What is the derivative of the function f(x)=x3-x4
      Correct! The derivative of the function is f'(x)=3x2-4x3.
      Sorry, The derivative of the function is f'(x)=3x2-4x3 using the addition rule and the power rule.

      5.

      What is the derivative of the function f(x)=x3-x4
      Correct! The derivative of the function is f'(x)==1+20x-12x3.
      Sorry, The derivative of the function is f'(x)=1+20x-12x3 using the addition rule and the power rule.