Easy
If f(x)=x−5f(x)=x-5f(x)=x−5 and g(x)=x2−12x2+4g(x)=\frac{x^{2}-12}{x^{2}+4}g(x)=x2+4x2−12, Write g(f(x))g(f(x))g(f(x)) as an expression in terms of xxx.
x2−10x+13x2−10x+29\frac{x^{2}-10 x+13}{x^{2}-10 x+29}x2−10x+29x2−10x+13
2x2−10x+29x2−10x+13 \frac{2x^{2}-10 x+29}{x^{2}-10 x+13}x2−10x+132x2−10x+29
x2−12x+16x2−12x+25\frac{x^{2}-12 x+16}{x^{2}-12 x+25}x2−12x+25x2−12x+16
None of the above
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