math plz help! urgent!
posted by some girl .
It costs Marie $25 overhead and then an additional $1.25 to make each barrette. She charges $3.50 for each one. Write a function to model Marie's profit?

math plz help! urgent! 
Waves  AEC
f(x)=3.5x1.25x25

math plz help! urgent! 
some girl
oh sorry, I forgot to tell you that that isn't a choice. The choices are A) P = 2.25x  25
Eliminate
B) P = 4.75x + 25
C) P = 2.25x + 25
D) P = 3.5x  26.25 
math plz help! urgent! 
some girl
so the answer is d?

math plz help! urgent! 
Waves  AEC
Lol no, it is A

math plz help! urgent! 
Waves  AEC
3.5x1.25x=2.25x. And the 25 stays the same

math plz help! urgent! 
Damon
So I did your wave equation below Waves

math plz help! urgent! 
Anonymous
It costs Marie $25 overhead and then an additional $1.25 to make each barrette. She charges $3.50 for each one. Write a function to model Marie's profit?
A) P = 2.25x  25
B) P = 4.75x + 25
C) P = 2.25x + 25
D) P = 3.5x  26.25
2)
Thompson High School had a population of 1800 students in 2010. Every year since then, the population has grown by 50 students a year. Write a formula to model this situation if you let 2010 be t = 0.
A) P = 210 + 50t
B) P = 1800 + 50t
C) P = 2010 + 50t
D) P = 1800  50t
3)
Sam bought a car for $25,000 in 2009. Since then the car has depreciated in value by $1500 a year. Write a function that will allow you to calculate how much the car will be worth in 5 years if we let 2009 be t = 0.
A) C = 2009  1500t
B) C = 25000  1500t
C) C = 25000 + 1500t
D) C = 25000  2009t
4)
The Smiths are draining their 25,000 gallon swimming pool. It drains at a rate of 3,000 gallons an hour. Write a function that models the amount of water in the pool after t hours.
A) W = 25,000  3000t
B) W = 25,000 + 3000t
C) W = 3000  25,000t
D) W = 3000 + 25,000t
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