\[\boxed{\text{1145.\ }\text{еуроки}\text{-}\text{ответы}\text{\ }\text{на}\text{\ }\text{пятёрку}}\]
\[y = 10x;\ \ \ 0 \leq x \leq 7\]
\[f(0) = 0;\]
\[f(7) = 10 \cdot 7 = 70.\]
\[Область\ значений:\ \ \lbrack 0;70\rbrack.\]