Answer:
\((f - g)(x)=-3x^2+3x-6\)
Step-by-step explanation:
Given two functions
\(f(x)=x^2+x-5\)
\(g(x)=4x^2-2x+1\)
we have to find the value of (f - g)(x)
\((f - g)(x)=f(x)-g(x)=x^2+x-5-(4x^2-2x+1)\)
\(=x^2+x-5-4x^2+2x-1\)
\(=(x^2-4x^2)+x+2x-5-1\)
\(=-3x^2+3x-6\)
Option b is correct.
