The demand function for a particular product is given by d(x)=−0.75x2+5x+50√
d
(
x
)
=
−
0.75
x
2
+
5
x
+
50
dollars, where x is the number of units sold. what is the marginal revenue when 11
11
items are sold? round your answer to 2 decimal places.

Which functions are even? check all of the boxes that apply. f(x) = x4 – x? f(x) = x2 – 3x + 2 f(x) = (x - 2) f(x) = x done

You are remodeling your kitchen. you’ve contacted two tiling companies who gladly told you how long it took their workers to tile of a similar size jim completed half the floor in 8 hours. pete completed half of the other floor in 7 hours. if pete can lay 20 more tiles per hour than jim, at what rate can jim lay tiles

Ray ce is the angle bisector of zacd, which statement about the figure must be true? mzecd-mzecb mzace « 4mzacd zace - zdcb zecd zacd save and exit