Question

f(x)=3/2+x и g(x)=x+1/2 найдите: g(7)-f(7)

Answer 1

g(7) = 7 + 1/2 = 7,5
f(7) = 3/2 + 7 = 8,5
g(7) - f(7) = 7,5 - 8,5 = -1

Answer 2

т.е 3 2/3

Answer 3

спасибо