If [tex]f(x) = x2 – 25 and g(x) = x – 5,[/tex]
Then the domain is all real values of x except [tex]x=5[/tex].
What is domain in math?
The domain of a function is the set of its possible inputs, i.e., the set of input values where for which the function is defined. In the function machine metaphor, the domain is the set of objects that the machine will accept as inputs.
What are all real numbers in math?
Real numbers are numbers that include both rational and irrational numbers. Rational numbers such as integers (-2, 0, 1), fractions(1/2, 2.5), and irrational numbers such as √3, π(22/7), etc., are all real numbers.
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