Directions: Complete the problems below. Show your work. - 1. Given f(x)=3x+4 and g(x) = x²-x-1 , evaluate (f+g)(-2). For problems 2 through 5, add the given functions(f+ g)(x) and indicate the domain of the sum. 2. f(x)=7x-8 and g(x) = -11x-3 3. f(x)=x-6 and g(x)=√x-6 4. f(x) = x²+3x+1 and g(x) = 2x²-4x-1 5. f(x)=- 3 x+2 5 and g(x)= x+2