please find solutions for the following problems

10 20 7. Approximate 24 + 1 - dx by dividing the interval [2, 10] into N = 4 equal 2 subintervals and using four rectangles and the right endpoint method . Round your answer to five decimal places. [3 pts.] 8. Draw a function f(r), defined for all real numbers x, with two local maximum and one local minimum. (2 pts)