128k views
4 votes
HARDEST MATH QUESTION OF ALL TIME

HARDEST MATH QUESTION OF ALL TIME-example-1
User BrianMiz
by
7.6k points

1 Answer

7 votes

Answer:

Option A.
(29)/(4)

Explanation:

we have


f(x)=x^(2) +7


g(x)=(x+2)/(x)

we know that


(fog)=((x+2)/(x))^(2) +7

Evaluate the expression for x=-4


(fog)(-4)=((-4+2)/(-4))^(2) +7


=((1)/(2))^(2) +7


=((1)/(4))+7


=(29)/(4)

User Sascha Kaestle
by
8.2k points

No related questions found