Question
Find the domain and range of the function \( y=f(x)=x^{2} \) Domain: Range: help (inequalities)
Ask by Wang Bowman. in Mexico
Mar 18,2025
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Answer
**Dominio:** Todos los números reales.
**Rango:** Todos los números reales mayores o iguales a 0.
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The domain of the function \( y = f(x) = x^2 \) includes all real numbers since you can square any real number. In inequality form, this is written as \( x \in (-\infty, +\infty) \). The range represents all possible outputs of the function. Since squaring a number always results in a non-negative value, the range is \( y \geq 0 \). In inequality form, this is expressed as \( y \in [0, +\infty) \).