We know that :
If f(x) and g(x) are Two Functions Defined under same Domain, then Composite Function : (f o g)(x) = f(g(x))
Given : f(x) =
and g(x) = 
⇒ (f o g)(x) = f(g(x))
⇒ 
⇒ 
1st Option is the Answer
To convert to a decimal, divide by 100.
75 / 100 = .75
Your answer would be -2x-6
The square root of 144=12
169=13
the difference is 13-12=1