Ответ:

0,667

Объяснение:

[tex]f(x) = \frac{1}{4} {x}^{2} \\ x = - 10 \\ \\ f( - 10) = \frac{1}{4} \times {( - 10)}^{2} = \frac{100}{4} = 25[/tex]

[tex]g(x) = \frac{1}{6} {x}^{2} \\ x = 15 \\ \\ g(15) = \frac{1}{6} \times {15}^{2} = \frac{225}{6} = 37.5[/tex]

[tex] \frac{f( - 10)}{g(15)} = \frac{15}{37.5} = 0.667[/tex]