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Home > PC > Chapter 8 > Lesson 8.2.1 > Problem 8-72

8-72.
  1. Given f(x) = . Homework Help ✎

    1. What is the value of f (−1)?

    2. Find . (Hint: polynomial division)

    3. Use what you found from part (b) to sketch f(x) without using a calculator.

What happens when the denominator is 0?

Substitute x = −1 into the quotient.

You know it is a parabola with a hole at x = −1. Find the x-intercepts by factoring.