Respuesta :
Answer:
10
Step-by-step explanation:
x=2
f(2)=5x3-2=15-2=13/2=6.5=f
g(2)=2+1=3/2=1.5=g
(6.5-1.5)(2)=(13-3)=10
Answer:
5x³ - x - 3
Step-by-step explanation:
(f - g)(x) = f(x) - g(x)
f(x) - g(x)
= 5x³ - 2 -(x + 1) = 5x³ - 2 - x - 1 = 5x³ - x - 3
