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HELPPP I'LL GIVE A MEDAL !

let f(x)=-x-3 and g(x)=x^2
find f(g(4))
A.1
B.9
C.13
D.16

User Amoroso
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2 Answers

3 votes
c. 13 is the a answer
User Priska Aprilia
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2 votes
f(g(4))
evaluate g(4) and sub it for x in f(x)
g(4)=4²
g(4)=16

now
f(g(4))=f(16)
f(x)=-x-3
f(16)=-16-3
f(16)=-19
not listed
there is something wrong
since there are no negative values in the choices, I will guess that it should be f(x)=x-3 resulting in f(g(4))=13

3rd option
User Waqas Shabbir
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