Use geometry to evaluate the integral from negative 2 to 6 of f of x, dx where f of x equals the absolute value of x for x between negative 2 and 0 inclusive, equals x minus 2 for x greater than 0 and less than or equal to 2, and equals 3 for x greater than 2 and less than or equal to 6.

Please help I'm doing my final exam and am really stuck.