{1 point} Use geometry to calculate each of the following integrals exactly. The graph of f{:t:} is shown below. a) I; x) dz: = ' 55; b) If re) as: = 555 c) If me) 51:: = ' d) I35 HI} \"I\"? = EEE 6) f5\" re) dz: 2 is; (1 point) Find the exact area under f(a ) between a = 0 and x = 7 where 0 AIA f(x) = V1 - (2 - 3)2 +2 2 -JOT A NO IAIA IA IA 2 4 5 IAI Hint: I do not recommend finding Riemann sums here. It would be better to think about this problem geometrically. (Draw a picture!) Area:(1 point) Without actually computing the Riemann sums, find the magnitude of the difference between the right- and left-hand Riemann sums if we use n = 900 subintervals to approximate S2 (x2 - 2) dx