Suppose o = where ø is a sample proportion, x is the number of people in the sample who share a particular characteristic, and n is the total number of
people in the sample. If Ø = 0.4 and x = 32, what is n?
a -80
b-60
c-70
d- 90

2/1 or just 2. sorry if i get this wrong

First locate the turning point (vertex) of the graph. which is at the coordinates x=5 and y=9 or (5; 9).to determine whether it's a maximum or mininum value, you have to discern whether the vertex's y-value is the highest value or lowest value the graph can reach. since the vertex's y-value, 9 is the highest value the graph can reach, it will be a maximum.another basic way to determine whether the vertex's value is max or min is to see if the graph is smiling or sad. if it's smiling, the turning point/vertex would be a minimum, while a sad parabola would have a maximum y-value at the vertex.