h(x)=3x+3 g(x)=-4x+1 find (h+g)(10)

Question

This question came from my Hw and I don’t understand

Answer 1

The addition of functions is defined as (h+g)(x)=h(x)+g(x). So in our case we have to evaluate the expression h(10)+g(10)=3(10)+3-4(10)+1=30+3-40+1=33-39=-6.