Можете детально решить номер 405 18

The horse is the animal of the equine squad equine that is widely used by man to date. there are over 200 different breeds and breed groups of horses.the horses are well developed jaws, teeth ( in stallions 40 teeth in mares 36). they have a single stomach and a short intestine (25 - 39), large cecum. horses carefully and long chew food, abundantly wetting it with saliva, which during the day can be allocated to 40 hp especially in the hot season of the year horses drink a lot of water (70 - 80 l), low temperature they can tolerate fairly easy, but dangerous draughts and dampness. the legs of the horses the most vulnerable place, which is most sensitive to poor conditions of detention.

Для решения данной задачи показатель увеличения возьмём для "1" - 99, 2 - "89", 3 - "79", 4 - "69", 5 - "59", 6 - "49", 7 - "39", 8 - "29", 9 - "19", 10 - "9". Таким образом мы получим:
0 500
1 -- 599
2 -- 688
3 -- 767
4 -- 836
5 -- 895
6 -- 944 
7 -- 983
8 -- 1012
9 -- 1031
10 -- 1040

Ну транспортир тее на что?

Ответ. y(x) = x2 + 2x - 24=(x+1)2-25;
y(x)=-25;