5. (a) If f(x) = x ·2", give an estimate of the net area of the region bounded by fand the x-axis on [1, 5] using the: Riemann sum i. L2 Riemann sum ji. LA iii. R, Riemann sum iv. M, Riemann sum 4 (b)...

Extracted text: 5. (a) If f(x) = x ·2", give an estimate of the net area of the region bounded by fand the x-axis on [1, 5] using the: Riemann sum i. L2 Riemann sum ji. LA iii. R, Riemann sum iv. M, Riemann sum 4 (b) Does the R, Riemann sum give an overestimate or an underestimate of the exact area? 4