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Combining Functions Using Arithmetic Operations

Instructions:

Choose an answer and hit 'next'. You will receive your score and answers at the end.

question 1 of 3

Which of the following statements are true about two functions g(x) and f(x)?

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1. If f(x) = 8x 2 - 2x, and g(x) = 3x - 8, find f + g.

2. If f(x) = ln(x) - 4 and g(x) = 2x + 1, find f - g.

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About This Quiz & Worksheet

Answer the following questions to test your understanding of functional arithmetic. You will be asked to add, subtract, and multiply different functions.

Quiz & Worksheet Goals

In this assessment, you'll test yourself and your knowledge of:

  • Recognizing how two functions can combine
  • Adding functions together using accepted practices
  • Subtracting functions from one another

Skills Practiced

  • Reading comprehension - ensure that you draw the most important information from the material, such as how you can combine functions with like terms
  • Problem solving - use acquired knowledge to solve function addition problems
  • Information recall - access the knowledge you've gained regarding how to successfully subtract functions from one another

Additional Learning

Find out more about using functions with the lesson titled Combining Functions Using Arithmetic Operations. Topics covered will include:

  • Physical examples of functions
  • Different formulas for performing functional operations
  • How to use division to combine two functions
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