Use sigma notation to write the sum. j=1 [( ) + ] + [( ) + ] + + [( ) + ] . 6 6 Evaluate the integral using the following values. 6 6 6 [x dx - 320. [x dx-16, [5dx-4 = = = 2 (21-7x - x) dx Evaluate the integral using the following values. 6 6 [x dx - 320, ["x dx = 16, ["dx-4 = 2 x dx Use sigma notation to write the sum. j = 1 [ - ( ) ] + [ - ( ) ] + - + [ - (-3) ] -