Respuesta :

Answer:

Step-by-step explanation:

To find the domain, find where the curves intersect

x² - 3x = 3x

x² = 6x

x = 0, x = 6

integrate from x = 0 to 6 the difference between the curves

A =∫ 3x - (x² - 3x)dx

A =∫ (6x - x²)dx

A = 3x² - x³/3

A = 3(6)² - (6)³/3 - (3(0)² - (0)³/3)

A = 36 units²

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