if f(x)= 3^(x)+ 10x and g(x)=2x-4, find (f+g)(x)

Answer 1

Question: if f(x)= 3^x+ 10x and g(x)= 2x-4, find (f+g)(x)

f(x)= 3^x + 10x

g(x)= 2x - 4

(f+g)(x) = 3^x + 10x + 2x - 4 = 3^x + 12x - 4

Answer 2

(f+g)(x) = f(x) + g(x) = (3^x + 10x) + (2x - 4) = 3^x + 12x - 4