number 3 please

Math 1 Questions for Approximationg Areas Under Curves lecture For questions (1)-(5), approximate the area between the given curves using 4 rectangles of identical width and taking the right-endpoint of each subinterval as a sample point. (1). f(x) = 3x + 2, y = 0, x =1 and x = 5 (2). f(x) = x2 + 1, y = 0, x =2 ard x =6 (3). f(x) = x2 + 2x, y = 0, x=1 and x =9 (4). f(x) = =, y=0, x=3 and x =5 (5). f(x) = Vx, y = 0, x=0 and x =1 Previous W