Question

Given the following functions f(x) and g(x), solve (f + g)(3) and select the correct answer below:

Answer 1

(f+g)(3) = f(3) + g(3) = 6(3) + 3 + 3 -7 = 18 +6 -7 = 17.

Answer: 17

Answer 2

Answer:

Option B is correct

$(f+g)(3)$ = 17

Step-by-step explanation:

Given the functions:

f(x) = 6x+3

g(x) = x-7

Solve: $(f+g)(3)$

First do:

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

Substitute the given values we have;

$(f+g)(x) = 6x+3+x-7 = 7x-4$

Put x = 3 above we have;

$(f+g)(3) = 7(3)-4 = 21-4=17$

Therefore, the value of $(f+g)(3)$ is 17