Kates, ratios, and proportions
a company is hosting a fundraising dinner and selling tickets to attend. the table below shows the total amount raised in relation to
the number of tickets sold.
tickets sold 2
total raised $36.00
3
$54.00
4
$72.00
5
$90.00
6
$108.00
what is the rate of change for the information in the table?
$9.00 per ticket
a.
b.
$27.00 per ticket
c.
$36.00 per ticket
d
$18.00 per ticket
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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.