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Sliva [168]
2 years ago
15

Find (fog)(x) when f(x)=x^2-7x+12 and g(x)=3/x^2-16

Mathematics
1 answer:
Kazeer [188]2 years ago
4 0

Answer:

f( \frac{3}{ {x}^{2} - 16 } ) =  ({\frac{3}{ {x}^{2} - 16 }})^{2}  - 7(\frac{3}{ {x}^{2} - 16 }) + 12 \\  =  \frac{9}{ {x}^{4} - 32 {x}^{2}  + 256 }  -  \frac{21}{ {x}^{2}  - 16}  + 12

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