Please help me solve questions A through B

Use algebra software or a graphing calculator to answer parts (a) and (b) below for the given integral. 8 dx; n = 8; Approximate value T= 0.14 5 5x + 5 (a) Determine the actual value of the definite integral. (b) Determine the percent error between the approximation and the actual value of each integral. 8 (a) dx = 5 5x +5 (Type an integer or decimal rounded to three decimal places as needed.)