Los niños hablan de lo que hacen en la escuela. Escriba lo que dicen. Siga el — ejemplo del Ejercicio A.

nosotros / aprender la lección _________________

Make a table listing ordered pairs for each function. Then sketch the graph and state the domain and range.

$$f(x)=\left\{\begin{aligned} x^2 & \text { for } x<-1 \\ {-x} & \text { for } x \geqslant -1\end{aligned}\right.$$

Contesta según el modelo. modelo: —¿Lo habrías hecho? $\quad \quad \quad$—Sí, lo habría hecho pero ya lo había hecho.

1. ¿Lo habrías comprado?
2. ¿Lo habrías vendido?
3. ¿Lo habrías dicho?
4. ¿Lo habrías devuelto?
5. ¿Lo habrías preparado?

State whether each ordered pair is a solution of the given equation. 2x+3y=13 (5, 1), (11, -3)

State whether each ordered pair is a solution of the given equation. x+4y=13; (3, 2), (-3, 4)

State whether each ordered pair is a solution of the given equation. x+2y=8 (3, 3), (0, 4)

State whether each ordered pair is a solution of the given equation. 4m-5n=9 (6, 7), (6, 3)

State whether each ordered pair is a solution of the given equation. 3x-2y=12; (-2, 3), (4, 0)

State whether each ordered pair is a solution of the given equation. 3x+y=6 (2, 0), (3, -1)

State whether each ordered pair is a solution of the given equation. 3x+5y=30; (3, 5), (10, 0)

State whether or not each ordered pair is a solution of the system: $y \geq 4$ and x < 5. (-2, 4)

State whether or not each ordered pair is a solution of the system: $y \geq 4$ and x < 5. (-2,-4)

State whether or not each ordered pair is a solution of the system: $y \geq 4$ and x < 5. (4, 5)

State whether or not each ordered pair is a solution of the system: $y \geq 4$ and x < 5. (5,4)