Calcula el rea bajo la curva de la siguiente figura de manera indirecta

F(x) =; [-2, 2]

xy

-23

-10

0-1

10

23

rea 1 = 1.5rea 2 = 1.5rea 3 = 0.5rea 4 = 0.5

rea total = 4

f(x) = ; [-3, 2]

xy

-35

-21

-1-1

0-1

11

25

rea 1 = 3.75rea 2 = 3.75rea 3 = 1.25rea 4 = 0.25

rea total = 9