A concert promoter sells tickets and has a marginal-profit function given below, where Upper P prime (x )is in dollars per ticket. This means that the rate of change of total profit with respect to the number of tickets sold, x, is Upper P prime (x ). Find the total profit from the sale of the first 480 tickets, disregarding any fixed costs.

my answer got deleted but it's a

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guess at question:

a vertical line intersects the graph of g(x,y) = 0 at two points. what conclusion follows about the function f(x) implicitly defined by g(x,f(x)) = 0?

the domain of f(x) cannot include the x coordinate of any such vertical line.

informally, f(x) is not a function, and

g(x,y)=0 cannot be solved for y uniquely.

the relation r = {(x,y) such that g(x,y) = 0} is a function if

for all (a,b) ∊ r and (c,d) ∊ r, a=c implies b=d.

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answer: it is 8

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you know why its 8

a natural event such as a flood, earthquake, or hurricane that causes great damage or loss of life.

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