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Sholpan [36]
3 years ago
6

Let f(x) be a function with domain [−3,∞) and range (−∞,2). If g(x)= f^−1(x) what is the domain of g(x+4)−7?

Mathematics
1 answer:
Crank3 years ago
7 0

Answer:

  • the domain of the function g(x+4)-7 is (-\infty,-2);
  • the range of the function g(x+4)-7 is [-10,\infty).

Step-by-step explanation:

If the function f(x) has the domain [-3,\infty) and the range (-\infty,2), then the function g(x)=f^{-1}(x) has the domain that id the function's f(x) range and the range that is function's f(x) domain. Therefore,

  • the domain of the function g(x) is (-\infty,2);
  • the range of the function g(x) is [-3,\infty).

The function g(x+4)-7 is the translation of the function g(x) 4 units to the left and 7 units down, hence

  • the domain of the function g(x+4)-7 is (-\infty,-2);
  • the range of the function g(x+4)-7 is [-10,\infty).
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