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sweet [91]
3 years ago
7

Find the value of

Mathematics
1 answer:
Likurg_2 [28]3 years ago
8 0
F(-9)
f(x)=-5x-2
     =-5(-9)-2
     =45(-2)
     =90
g(-2)
g(x)=3xsquared-21x
      =3(-2squared)-21(-2)
      =3(4)+42
      =12+42
      =54
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