Question

f(x)=x^2-8x and g(x)=x+11 find f+g

Answer 1

f + g means adding both f(x) and g(x) together 

f(x)=x^2 - 8x and g(x)= x+11 find f+g

f(x) + g(x) 

x^2 - 8x + x + 11

Combine like terms together...

x^2 - 7x + 11