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George has opened a new store and he is monitoring its success closely. He has found that this stores revenue each month can be modeled by r(x) = x^2 +5x + 14 where X represents the number of months since the store  opens the door and r(x)  is measured in hundreds of dollars.  He has also found that has expenses each month  can be modeled by c(x) = x^2 -4x+ 5 where X represents the number of months the store has been open and c(x)  is measured in hundreds of dollars. 

What does (r-c) (5) mean about George’s new store? 

A.  The new store will have a of a profit of 4500 after its fifth month of business 

b.  The new store will have a of  profit of 900 after its fifth month in business 

c.  The new store will sell for 4500 items in the fifth month in business 

D.  The new store 900 items and it’s Fifth month in this month in business 

 Mar 14, 2019
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(r - c)  = [ x^2 + 5x + 14 ] - [ x^2 - 4x + 5 ]  =  9x + 9

 

(r - c)(5)  =  9(5) + 9  =   54

 

The store will have a profit of $5400 after its fifth month in business

 

cool cool cool

 Mar 14, 2019

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