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Which option below best describes why the domain of g(x) = 5–x is all real numbers but the range of g is not all real numbers?
FILL IN THE BLANKS
The domain of g is all real numbers because every real number______.
a. makes sense of an exponent
b. is an output of g
______________________________________________________
However, the range of g is not all real numbers because the _______.
a.power of a positive real number is a positive
b.exponent for g has a minus sign

Respuesta :

sqdancefan

Answer:

  • a.
  • a.

Step-by-step explanation:

We assume you intend the definition of g(x) to be ...

  [tex]g(x)=5^{-x}[/tex]

The domain of g is all real numbers, because every real number (a) makes sense as an exponent. However, the range of g is not all real numbers, because (a) a power of a positive real number is positive.

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