F(x) =
g(x) = 5x-2
f'(x) =
g'(x) = 5
(f(x)g(x))'= f'(x)g(x)+g'(x)f(x)
(f(x)g(x))'=
*(5x-2)+5*(
+8) =
56(22+16)-36*38=
=56*38-36*38=
=38*(56-36)=38*20=760
9,2+x>3x-6,4
x-3x>-6,4-9,2
-2x>-15,6
x>7,8
Вложения..............................................