SOLUTION: The following linear equation can be used to determine the salvage value S, in dollars, of a color photocopier t years after its purchase. (0 < or equal to t < or equal to 5)

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Question 251290: The following linear equation can be used to determine the salvage value S, in dollars, of a color photocopier t years after its purchase. (0 < or equal to t < or equal to 5)
S= -400t + 2000
(a)Identify and interpret the meaning of both the slope and the y-intercept.
Answer by solver91311(24713) About Me  (Show Source):
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The slope is the coefficient on the independent variable (Salvage value "depends" on time). The -intercept is the value of the constant term.

The -intercept is the value of the item at time 0, the slope is the amount that it loses in value each year.

John