biancabahena04 biancabahena04 28-01-2019 Mathematics contestada what is the sum of f and g? f(x) =10-2x g(x)=7x+5 A. (F+g)(x)=5+5x B. (F+g)(x)=5+9x C. (F+g)(x)=15+5x D. (F+g)(x)=15+9x