3. Lucy and Ethel are working on the production line of a chocolate factory. As chocolate candies passby them on a conveyor belt, they have to wrap each piece in

a candy wrapper. • w(t) gives the total number of candies Ethel and Lucy have wrapped t minutes after the start of their shift. Suppose w'(3) = 40. Circle all the true statements below Justify your choice(s): i. In the first 3 minutes Lucy and Ethel have wrapped 40 chocolates. ii. 3 minutes into their shift, the chocolates are being wrapped at a rate of 40 chocolates per minute. iii. w(3) = 120 iv. w(x) = 40(x – 3) + 120--

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