Assume f(x)=4x-8 and g(x)=5 what is the value of (f+g)(2) this is hard. ive tried, but i cant do this.

Simply add these functions:

f(x) + g(x) = 4x - 8 +5 = 4x -3

The function (f+g)(2) simply means f(x) +g(x) when x =2 which is 4x2 -3 = 5

Answer: (f+g)(2) = 5