Math Problem Statement

Use analytical methods and/or a graphing utility to identify the vertical asymptotes (if any) of the following function: f(x) = (x^2 - 10x + 24) / (x^12 - 6x^11).

Solution

We are given the function:

f(x)=x210x+24x126x11f(x) = \frac{x^2 - 10x + 24}{x^{12} - 6x^{11}}

To find the vertical asymptotes:

Vertical asymptotes occur when the denominator is zero and the numerator is non-zero at the same points. Therefore, we need to find where the denominator x126x11x^{12} - 6x^{11} is equal to zero.

Step 1: Factor the Denominator

We can factor the denominator x126x11x^{12} - 6x^{11} as follows:

x126x11=x11(x6)x^{12} - 6x^{11} = x^{11}(x - 6)

Now, set the denominator equal to zero:

x11(x6)=0x^{11}(x - 6) = 0

This gives us two solutions:

  1. x11=0x^{11} = 0x=0x = 0
  2. x6=0x - 6 = 0x=6x = 6

Step 2: Check the Numerator at These Points

We need to ensure the numerator is non-zero at these values of xx.

The numerator is x210x+24x^2 - 10x + 24.

  • At x=0x = 0:

0210(0)+24=24(non-zero)0^2 - 10(0) + 24 = 24 \quad (\text{non-zero})

  • At x=6x = 6:

6210(6)+24=3660+24=0(zero)6^2 - 10(6) + 24 = 36 - 60 + 24 = 0 \quad (\text{zero})

Conclusion:

  • There is a vertical asymptote at x=0x = 0 since the denominator is zero and the numerator is non-zero.
  • At x=6x = 6, there is no vertical asymptote because both the numerator and denominator are zero, indicating a hole in the graph rather than an asymptote.

Thus, the function has a vertical asymptote at x=0x = 0, and a hole at x=6x = 6.

Would you like further details or have any questions?

Relative questions:

  1. How do we determine horizontal asymptotes for this function?
  2. What is the behavior of the function near the vertical asymptote x=0x = 0?
  3. How can we find the hole at x=6x = 6 more precisely?
  4. Can you provide more insight into why holes occur in rational functions?
  5. What other techniques are available to find vertical asymptotes beyond factoring?

Tip:

Always check both the numerator and denominator for zeros when determining vertical asymptotes to identify potential holes in the graph.

Ask a new question for Free

By Image

Drop file here or Click Here to upload

Math Problem Analysis

Mathematical Concepts

Rational Functions
Vertical Asymptotes
Polynomial Factoring
Holes in Rational Functions

Formulas

Vertical Asymptotes occur where the denominator is zero and the numerator is non-zero

Theorems

Factorization Theorem

Suitable Grade Level

Grades 10-12