# Answer on Trigonometry Question for raphael

Question #44090

what is the range of the function f(x)=2^x-3?

Expert's answer

The range of the function f(x)=2x

^{2}-3 is [-3;+infinity), i.e. f(x) is greater than or equal to (-3), because 2x^{2 }is non-negative. Need a fast expert's response?

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