Question

функции задана формулой s=3t+9t. Найдите s(1),s(3,5),s(5)​

Answer 1

Решение:

s = 3t² + 9t

1) s(1) = 3•1² + 9•1 = 3 + 9 = 12;

2) s(3,5) = 3•3,5² + 9•3,5 = 36,75 + 31,5 = 68,25;

3) s(5) = 3•5² + 9•5 = 75 + 45 = 120.