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- VTx+2-V6x+4 5) lim esex-cotx 6) lim x-2 xcsexfind en(x?) a). Lim メマ1 X-1 b). Lim |-cos "x 4x2 2.A rectangle has a perimeter of 40 meters. a) Express the area of this rectangle, A(1), as a function of the length of one of its sides l. I=(40/4)+-(1/4) sqrt(40^2-16A) b) Express the domain of A(1) in interval notation. CHECK ANSWER Preview 1 = 40 + (-(¹)√40² – 16A)