Човен за 3 години руху за течією і 2 години руху проти течії долає 92 км. За 9 годин руху за течією човен долає відстань рівну 10 годинам проходження по озеру. Знайдіть власну швидкість човна та швидкість течії. (Швидкість човна у озері = власній швидкості човна)
можно вот так найдем асимптоту функций она означает по какой прямой он будет расположена для этого вычеслим предел при бесконечности +oo
lim x-> +oo (4-x)/(x+2)=поделим первое на х и второе
4/x-1/(1+2/x)=-1/1=-1
потому что при х стр к оо 1/х =0
то есть -1 это ее асимптота
график гипербола найдем точки пересечения с осью х
4-x/x+2=0
4-x=0
x=4
можно еще промежутки убывания и возрастания через производную
ЖЕДАЛЙАШОВАПРЫГНРМ ВППЦКП
Объяснение:
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