Question

"sea f(x)= 2x-1 y g(x)= x2 hallar (f o g) (x) + (g o f) (x)"

Answer 1

fog(x) = 2(x²)-1 = 2x²-1
gof(x) = (2x-1)² = 4x²-4x+1

suma:
(2x²-1) + (4x²-4x+1) = 6x²-4x

reduciendo
fog(x) + gof(x) = 2x(3x-2)