Recall that the standard basis of ℝ3 is {e1, e2, e3}. If t:ℝ3→ℝ2 is a transformation and the action of t on the vectors ei is as given, find a formula for t(x), where x is any vector in ℝ3.

Little's law can be applied to any part of the store, such as a particular department or the checkout lines. the store owner determines that, during business hours, approximately 84 shoppers per hour make a purchase and each of these shoppers spend an average of 5 minutes in the checkout line. at any time during business hours, about how many shoppers, on average, are waiting in the checkout line to make a purchase at the good deals store?