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freemap

  • one year ago

The graph shows the value of a car at different years after Gianna purchased it. Which is the best estimate for the average rate of change between Year 4 and Year 9? A. –$900/year B. –$450/year C. –$330/year D. –$180/year

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  1. freemap
    • one year ago
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  2. freemap
    • one year ago
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    I think its B, $-450

  3. freemap
    • one year ago
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    I subtracted what I thought the in between answers were

  4. DanJS
    • one year ago
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    Year 4 value is about 2300; (4 , 2300) year 9 value is about 1400; (9 , 1400) The average rate of change is the slope of a line connecting those 2 points

  5. freemap
    • one year ago
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    ok so -900/5=-180 slope

  6. DanJS
    • one year ago
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    yep. The value changes about $900 in 5 years

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