Respuesta :

1. Answer:  [tex]\bold{\dfrac{188}{3}}[/tex]

Step-by-step explanation:

[tex]\dfrac{y_4-y_1}{x_4-x_1}=\dfrac{128-316}{4-1}=\large \boxed{-\dfrac{188}{3}}\\\\\\\text{The negative sign represents "decrease".}[/tex]

2. The parent graph is y = | x |

a)  Shifted down 3 units

b) vertex = (0, -3)

c) Equation: y = | x | - 3

3. The parent graph is y = x²

a) Shifted right 1 and down 1 unit

b) vertex = (1, -1)

c) Equation: y = (x - 1)² - 1