Question

Найдите значение функции y＝1/4x+1/7при x＝-3

Answer 1

$y = frac{1}{4} x + frac{1}{7} : pri : x = - 3 \ y = frac{1}{4} times - 3 + frac{1}{7} = - frac{3}{4} + frac{1}{7} = - frac{21}{28} + frac{4}{28} = - frac{17}{28}$