Find the area of the region bounded by the line x − 2y − 12 = 0 , the y-axis and the lines y = 2, y = 5.

Using Integration, find the area of the region bounded the line 2y + x = 8, the x axis and the lines x = 2, x = 4.

Find the area bounded by the lines y − 2x − 4 = 0, y = 1, y = 3 and the y-axis

If MR = 20 − 5x + 3x², find total revenue function.

For the marginal revenue function MR = 6 − 3x² − x³, Find the revenue function and demand function.