Cuánto es (-12) - 21 =
Explicación del pq da a ese resultado, por favor.

the answer is -33 srry couldn't explain :(

Step-by-step explanation:

(-12)-21= -33. Tienes q sumar porque son del mismo signo y se queda con el signo de negativo por que ambos números son negativos.

Step-by-step explanation:

The given equation is

For this function to have an inverse, we must restrict the domain, say

We interchange x and y to get,

We now make y the subject to get;

We divide through by 16 to get;

We now take the square root of both sides to get;

Since  , the inverse function is