Respuesta :

Ohanainthewoods

Answer:

y = 3x + 9

Step-by-step explanation:

(0, 9) (1, 12) ( 2, 15) (3, 18) (4, 21)

y = mx + b

m = slope

b = y-intercept

Slope:

[tex]\frac{y2-y1}{x2-x1}[/tex] [tex]\frac{15 - 12}{2 - 1} = \frac{3}{1}[/tex]

y-intercept:

9

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