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s2008m [1.1K]
2 years ago
7

If f(x) = x^2 -5x +1 and g(x) =5x+4 what is the value of g•f (-2)

Mathematics
1 answer:
Arlecino [84]2 years ago
5 0

Answer:

The value of gof (-2)=79

Step-by-step explanation:

We have

f(x) = x^2 -5x +1 \\\\f(-2) = (-2)^2 -5\times-2 +1 \\\\=15

Now we need to find

gof (-2)=g(15)

g(15) =5\times15+4\\\\=79

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