Question

F(x)=x^2-4x-, при каком значении аргумента f(x)=-4​

Answer 1

Ответ: 2

Пошаговое объяснение:

Просто можно подставить 4-8=-4

Answer 2

To find the value of the argument x at which f(x) = -4, we need to solve the equation:

f(x) = x^2 - 4x - (-4) = x^2 - 4x + 4 = (x - 2)^2 = -4

Since (x - 2)^2 is always non-negative, there are no real values of x that make f(x) equal to -4. Therefore, the equation f(x) = -4 has no solutions in the real numbers.