Answer :
The range of the function f(x) =(9)x is all real numbers greater than 0. The correct option is C.
What are real numbers?
Real numbers are those contain both rational and irrational numbers.
[tex]fx = \dfrac{1}{7} (9)x[/tex]
Because it is an exponential function, when positive values (extremely large) are replaced, the function tends to infinity.
Because it is an exponential function, the function tends to zero when negative values (extremely large) are substituted.
Thus, the correct option is C, all real numbers greater than 0.
Learn more about real numbers
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