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25-08-2017
Mathematics

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If f(x) = x^2 + 1 and g(x) = 3x + 1, find f(-1) + 5g(-3).

Can someone explain this to me plz?

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25-08-2017

evalaute each

find f(-1) and g(-3)

f(-1)=(-1)²+1=1+1=2

g(-3)=3(-3)+1=-9+1=-8

f(-1)+5g(-3)=
2+5(-8)=
2-40=
-38

f(-1)+5g(-3)=-38

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