F n(U) = 50, n(A)= 30, n(B) = 25 and n(AnB)=10, what the cardinality of AUB ? * A) 5

B) 45

C) 20

D) 25

Using two or more complete sentences, describe how you can find a vector parallel to b=-2,3

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The function a represents the cost of manufacturing product a, in hundreds of dollars, and the function b represents the cost of manufacturing product b, in hundreds of dollars. a(t) = 5t + 2 b(t) = 7t - 2t +4 find the expression that describes the total cost of manufacturing both products, a(t) + b(t). a. 7t^2 - 7t + 2 b. 7t^2 + 3 +6 c. 7t^2 + 7t - 6 d. 7t^2 - 3t + 6