Question

F(x) = 2x +3
g(x)= x2 +X-7
2. Find (f + g(x)
3. Find (f - g)(x).

Answer 1

Explanation:

(f + g)(x) = f (x) + g(x)

= [3x + 2] + [4 – 5x]

= 3x + 2 + 4 – 5x

= 3x – 5x + 2 + 4

= –2x + 6

Answer 2

fx+gx=x^2+5x/2-4

fx-gx=-x^2+3x/2+10

Explanation: