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Home > PC3 > Chapter 8 > Lesson 8.3.3 > Problem 8-126

8-126.

Compute without a calculatorGiven .

  1. What is the value of ?

    What happens when the denominator is ?

  2. Evaluate . Hint: Use polynomial division.

    Substitute into the quotient.

  3. Use what your answer to part (b) to sketch  without using a calculator

  4. If continuous at ? Use the definition of continuity to justify your answer.

    You know it is a parabola with a hole at . Find the -intercepts by factoring.