Math Problem Statement
The domain for function f(x) = cubed root of x is [0, positive infinity). is this true ?
Solution
No, the domain of the function is not restricted to . This statement is false.
The cube root function is defined for all real numbers because any real number, whether positive, negative, or zero, has a real cube root. Therefore, the correct domain of is:
Unlike square roots, cube roots can handle negative inputs because the cube of a negative number is also negative. For example, .
Would you like more details or have any other questions?
Here are 5 related questions:
- What is the domain of ?
- What is the range of ?
- How do cube root and square root functions differ in terms of their domains?
- Can the cube root function be expressed as a power function?
- What is the inverse function of ?
Tip: When determining the domain of a function, check whether there are any restrictions on the input values, such as square roots or logarithms, which only allow non-negative values.
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Math Problem Analysis
Mathematical Concepts
Functions
Cube Roots
Domains
Formulas
f(x) = √[3]{x}
Theorems
Domain of a function
Properties of cube roots
Suitable Grade Level
Grades 9-12