Дана функция у =5х-3 найти значение функции при х=-3

To find the value of the function when x equals -3, we substitute -3 into the function:

y = 5x - 3

Substituting x = -3:

y = 5(-3) - 3

Simplifying:

y = -15 - 3

y = -18

Therefore, when x = -3, the value of the function is y = -18.