The functions and are defined above. if , which of the following could be the value of ?

A)
B)
C)
D) infoanalysis says:

I tried each number when I put in -1-2, for (a-2) I got -3

f(x)= x^2
-3^2 = 9
f(x) =9
g( f(x)) =

x-9 ,9-9=0
g(f(x)) =9-9 =0 infoanalysis says:

f(x) =x^2

(a-2)^2-9 =0 subsitute a-2 for x which must be squared as per function directive

(a^2-4a+4 )-9=0
a^2-4a-5= (a+1)( a-5)=0 so when a=-1 this will satisfy one point where y will be = to 0
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