Question

I really need help ASAP! thx

Let f(z)=z-8 and g(z)=4z-9
Find (f+g)(2)

Answer 1

(f +g)(2) = -7

Explanation:

Functions are added by adding their values.

Application

(f +g)(2) = f(2) +g(2)

= (2 -8) +(4(2) -9) . . . . . evaluate f and g with z=2

= -6 +(-1)

(f +g)(2) = -7