At Minerva's Miniature Golf World the cost for a child's birthday party is $50.00 plus $7.50 for each child attending. The function below can be used to determine f(n), the total
cost of the party for n children.
F(n) = 50 + 7.5n
If the total cost for a birthday party is $177.50, what was the total number of children
attending the party?

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the first one is x^2+2x+2

the second one is x^2+4

the last one is x^2-4x+8

step-by-step explanation:

your answer is a

step-by-step explanation:

let's assume

number of candles set =x

price of of x candles =p(x)

we are given

a candle maker prices one set of scented candles at $10 and sells an average of 200 sets each week

so, we get point as (200,10)

he finds that when he reduces the price by $1, he then sells 50 more candle sets each week

so, we can find slope

now, we can use point slope form of line

now, we can plug values

we can use point

and find b

now, we can plug it back

and we get

now, we can find revenue

we know that

revenue = price*quantity

so, we get