Find an answer to your question "What are the domain and range of the function f (x) = 3X 5?O domain (00,00);Find the Domain and Range f (x)=5 f (x) = −5 f ( x) = 5 The domain of the expression is all real numbers except where the expression is undefined In this case, there is no real number that makes the expression undefined Interval Notation (−∞,∞) ( ∞, ∞) Set Builder Notation {xx ∈ R} { x x Explanation The denominator of f (x) cannot be zero as this would make f (x) undefined Equating the denominator to zero and solving gives the value that x cannot be solve x = 9 = 0 ⇒ x = 9 ← excluded value ⇒ domain is x ∈ R,x ≠ 9 for the range rearrange making x the subject y = 5 x −9
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