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anonymous

  • one year ago

A biologist created the following graph to show the relationship between the temperature of water (x), in degrees Celsius, and the number of insect larvae (y) in the water: graph of y equals minus 2 times the square of x plus 20 times x plus 400 What does the y-intercept of the graph represent? There were 400 larvae at 0 degree Celsius. There were no larvae at 400 degrees Celsius. The original number of larvae in the water was 400. The original temperature of the water was 400 degrees Celsius.

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  1. anonymous
    • one year ago
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  2. campbell_st
    • one year ago
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    so the graph looks like |dw:1437510080095:dw|

  3. anonymous
    • one year ago
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    i attached it

  4. campbell_st
    • one year ago
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    so the y- intercept is when x = 0 so that means when the water temp is zero, the population is 400

  5. anonymous
    • one year ago
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    so its A?

  6. campbell_st
    • one year ago
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    that would be my best guess

  7. anonymous
    • one year ago
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    thanks

  8. anonymous
    • one year ago
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    can u help with a few more

  9. campbell_st
    • one year ago
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    just post them as new questions... there are lots of people who can help

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