Diketahui f(x)=10x-7dan g(x)=2×2-1 rumus fungsi (f+g)(x) adalah

F(x) = 10x – 7
g(x) = 2x² – 1
(f + g)(x) = f(x) + g(x)
= (10x – 7) + (2x² – 1)
= 2x² + 10x – 8
= x² + 5x – 4