Answer
First, reflect the graph of $y=x^2$ about the x-axis to obtain $y=-x^2$. Now, move $y=-x^2$ four units upwards to obtain $g(x)=4-x^2$
Work Step by Step
Red: $y=x^2$
Green: $y=-x^2$
Blue: $g(x)=4-x^2$
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