This model is of the form f(x) = mx + b. Determine what m and b signify.The value, in dollars, of a particular KX37B computer is given by V(x) = -636.29x + 7113, where x is the number of years the computer has been in existence.
A. -636.29 signifies the hourly cost of repairs, and 7113 signifies the cost of software.
B. -636.29 signifies the amount of depreciation in one year, and 7113 signifies the initial cost.
C. 7113 signifies the amount of depreciation in one year, and -636.29 signifies the initial cost.
D. -636.29 signifies the number of computers owned, and 7113 signifies the cost of electricity.
Answer: B
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A. x = -5, y = -1; x = 8, y = 
or (-5, -1), 
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or (5, 1), 
C. x = 5, y = 1; x = - 
, y = -8
or (5, 1), 
D. x = -5, y = -1; x = 
, y = 8
or (-5, -1), 
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= 7
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