SOLUTION: A manufacturer of graphing calculators has determined that 10,000 calculators per week will be sold at a price of $95 per calculator. At a price of $90, it is estimated that 12,00
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Question 1016709: A manufacturer of graphing calculators has determined that 10,000 calculators per week will be sold at a price of $95 per calculator. At a price of $90, it is estimated that 12,000 calculators will be sold.
(I) Algebraically determine the linear function that predicts the number of calculators that will be sold per week at a price of x dollars.
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Plot price, on the vertical axis
Plot number of calculators/wk sold,
where is in thousands
---------------------------------
You are given the points:
( 10, 95 )
( 12, 90 )
------------
Use the general point-slope formula
Multiply both sides by
answer
( change to if you like )
-----------------------
check answer:
( 10,95 )
and
( 12,90 )
OK
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