Answer :
The domain function f(x) = x² + x - 210 is all real numbers, which in interval notation, is expressed as (-∞, ∞). This is because a quadratic function is defined for all real numbers.
The function in question is f(x) = x² + x - 210. The domain of a function is the set of all possible inputs, or x-values, that will output a real number. In other words, the domain of a function is set of all real numbers for which the function is defined.
A quadratic function, such as this one, is defined for all real numbers. Therefore, the domain of the function f(x) = x² + x - 210 is all real numbers.
If we want to write this in interval notation, we would express it as (-∞, ∞). This means that any number, from negative infinity to positive infinity, is included in the domain of this function.
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