Need help with 2, 4, and 5 please

Your last submission is used 1. [1/1 Points] DETAILS PREVIOUS ANSWERS SCALCET9 5.XP.2.001.MI. Evaluate the Riemann sum for A(x ) = 1 - _x, 25xs 14, with six subintervals, taking the sample points to be left endpoints. L6 = -30 Need Help? Read It Watch It Master It Submit Answer 2. [0/1 Points] DETAILS PREVIOUS ANSWERS SCALCET9 5.XP.2.002.MI. If f(x) = 4x2 - 7x, 0 S x 5 3, evaluate the Riemann sum with n = 6, taking the sample points to be right endpoints. R6 = 8.5 X Need Help? Read It Master It Submit Answer 3. [1/1 Points] DETAILS PREVIOUS ANSWERS SCALCET9 5.XP.2.003.MI. If f(x) = ex - 3, 0 S x S 2, find the Riemann sum with n = 4 correct to six decimal places, taking the sample points to be midpoints M = 0.3229 Need Help? Read It Watch It Master It Submit Answer 4. [-/2 Points] DETAILS SCALCET9 5.2.007. A table of values of an increasing function f is shown. 10 14 18 22 26 30 f(x) -14 -8 6 8 Use the table to find lower and upper estimates for "( x ) dx. ( Use five equal subintervals . ) lower estimate upper estimate Need Help? Read it Watch It Submit Answer 5. [-/1 Points] DETAILS SCALCET9 5.XP.2.008. Use the Midpoint Rule with the given value of n to approximate the integral. (Round your answer to four decimal places.) "Sxe - * dx , n = 4 Need Help? Read It Submit