Question

considerando f(x) =x-3 e g(x)=-2x , O valor de f(4) + g(2) é:

Answer 1

f(x)=x-3
g(x)=-2x
f(4)=4-3
f(4)=1
g(2)=-2.2
g(2)=-4
f(4)+g(2)
1+(-4)
1-4=-3