Question

Assume f(x)=-2x+18 and g(x)=3x. What is the value of (f+g)(-1)?

Answer 1

Hello The answer is

(f+g)(x) = -2x + 18 + 3x = x + 18

(f+g)(-1) = -1 + 18 = 1

Answer

(f+g)(-1) = 17

Answer 2

(f+g)(x) = -2x + 18 + 3x = x + 18

so (f+g)(-1) = -1 + 18 = 17

Answer

(f+g)(-1) = 17