The following function represents the production cost f(x), in dollars, for x number of units produced by company 1: f(x) = 0.25x2 − 8x + 600 What is the x value of the vertex of the quadratic function? x value of vertex is The following function represents the production cost f(x), in dollars, for x number of units produced

f(x) = 0.05x2 − 7x + 300

Given that the function is in standard form, identify A, B and C.

[enter a= b= c=]

70 points ! pls 2. given the following two sets of data what is the union of the two sets and what is the intersection of the two sets. set a = {1, 2, 3, 4, 5, 6, 7, 8, 9} set b = {2, 4, 6, 8, 10, 12, 14} 3. given a regular deck of cards. describe a way of pulling cards that would create a dependent event and then one that would create an independent event. 4. what is the probability of drawing a red card and then drawing a spade without replacing the card that was drawn first?