For the function given by

MATHEMATICS · Subjective · AP · AP Precalculus · Exponential and Logarithmic Functions · Exponential and Logarithmic Functions

Problem

For the function g:R→[0,∞)g:\mathbb{R}\to[0,\infty) given by g(x)=x2+4g(x)=x^{2}+4, determine whether gg is onto. Justify your answer.

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