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For a set to be a vector space, it must satisfy eight properties; and that for a set not to be a vector space, it is enough for it not to satisfy one of these properties. Consider a set V, with the following addition and multiplication operations: Select the alternative that contains the property(ies) that indicate that the set V is not a vector space. Alternatives: The) Only property A3. B) Only the M3 property. w) The A3 and M3 properties. d) None of the property. It is) All properties.

find the derivative of the function f(y) =4y cos y + cot y

15 percent of which number makes 3172.20?

A worker must paint 120 square meters, the first day he painted 3/5 of the total, the second day he painted 2/3 of what was missing. Determine the total number of meters left to paint.

4(x+ 2) ≥2x-2 find the range of x

consider the lines l and k given by the equations : l : ay +x =a k : 4y-x = a where a is a number such that l and k have an intersection point. Give me the intersection point of l and k. Give your asnwer as coordinates

Find the point P on the graph of the function y=square root (x) closet to the point (7, 0)

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I am asked to demonstrate that when t describes ]-pi/2; pi/2[, the point Gt which is the barycenter of the weighted points A, (Cos t) ^2; B, (sin t) ^2 and from C, cos 2t describes a half line of origin E and of direction vector the vector CB. How to demonstrate the right thing?

Louis works in a stone quarry with his brother and cousin. Every day they are given a pile of rocks which they must carry up a hill. Today Louis transported two thirds of the pile of rocks, his brother transported a fifth and their cousin transported 60 rocks. How many rocks did Louis and his brother each carry?