**Domain and Range of Rational Functions - Varsity Tutors**
https://www.varsitytutors.com/hotmath/hotmath_help/topics/domain-and-range-of-rational-functions

The function f x = a x , a ≠ 0 has the same domain, range and asymptotes as f x = 1 x . Now, the graph of the function f x = a x − b + c , a ≠ 0 is a hyperbola, symmetric about the point b , c .

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