Math Problem Statement

Dengan menggunakan Teorema Limit, Hitung Nilai Limit Fungsi Berikut: lim (x→0) (x^3 - 1)

Solution

The question in the image is written in Indonesian and reads:

  1. "Dengan menggunakan Teorema Limit, Hitung Nilai Limit Fungsi Berikut: limit (x→0) (x^3 - 1)"

Translated, it asks:

"Using the Limit Theorem, calculate the limit of the following function as x0x \to 0: limx0(x31)\lim_{{x \to 0}} (x^3 - 1)"

Solution:

To find limx0(x31)\lim_{{x \to 0}} (x^3 - 1):

  1. Substitute x=0x = 0 directly into the function f(x)=x31f(x) = x^3 - 1, if the limit exists:

    f(0)=(0)31=1f(0) = (0)^3 - 1 = -1

  2. Since x31x^3 - 1 is a polynomial function, it is continuous everywhere, including at x=0x = 0. Thus, we can directly substitute x=0x = 0 to find the limit.

Conclusion:

limx0(x31)=1\lim_{{x \to 0}} (x^3 - 1) = -1

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Related Questions

  1. How do you find limits of functions that result in indeterminate forms?
  2. What are the common types of limit theorems used in calculus?
  3. How can you evaluate limits for functions that involve division by zero?
  4. Why is continuity important in calculating limits?
  5. How would the result change if the exponent were different, such as x21x^2 - 1 or x41x^4 - 1?

Tip

For polynomial functions, you can often find limits by direct substitution, as they are continuous on their entire domain.

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Math Problem Analysis

Mathematical Concepts

Calculus
Limits
Polynomials

Formulas

f(x) = x^3 - 1
lim (x→0) f(x)

Theorems

Limit Theorem
Continuity

Suitable Grade Level

Grades 10-12