Would I include the units ft^2

Free-Response Question 1 (no calculator) You may not use your calculator for this question. (When you finish this question, if your test is proctored, ask your proctor for the next section. If you're taking the unproctored version of the test, continue with the next question.) 1. Measurements of a lake's width were taken at 15-foot intervals, as shown: 0 15 30 45 60 75 90 105 120 (( x ) 15 20 23 22 12) wright hand Estimate J f(x)dx with a = 4, using each of the following methods: .. afor I divide A. Left-hand approximation y wa 10 = 30 = DX lase left hand Chaacts side of each interval 30(0) + 36(18) + Bock) + 30(24) = 30 (0+18+19+24)= 1830 or 2, F(Xx) 30 = 30(0+12+19124- 1830 K = 1 1 860 FE B. Right-hand approximation Iuse right side of AX= 30 interval 30 call 3009)+ 30RG) + 30(Q)= 30(18+19724+12) 2190 H Copyright @ 2021 Apex Learning, See Terms of Use for further information, Images of the TI-84 calculator are used with the permission of Texas Instruments Incorporated, Copyright @ 2011 Texas Instruments Incorporated