Mathematics

Mathematics

Problem

Consider g:R→(0,∞)g:\mathbb R\rightarrow(0,\infty) given by g(x)=x2+4g(x)=x^{2}+4. Which of the following best describes gg? a) gg is injective but not surjective. b) gg is surjective but not injective. c) gg is neither injective nor surjective. d) gg is bijective.

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