anonymous
  • anonymous
Gina pumps 40 cubic inches of air per second into a balloon. The function below shows the total amount of air f(t) inside the balloon after t seconds: f(w) = 40t + 5 Which statement best describes the y-intercept of the graph of the function? A. It is equal to 40 and represents the amount of air already present in the balloon before Gina starts blowing. B. It is equal to 5 and represents the amount of air already present in the balloon before Gina starts blowing. C. It is equal to 5 and represents the amount of air in the balloon after 1 second.
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
or D. It is equal to 45 and represents the amount of air in the balloon after 1 second.
skullpatrol
  • skullpatrol
Any ideas?
anonymous
  • anonymous
D?

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More answers

skullpatrol
  • skullpatrol
First of all you have to know what is the value of the y-intercept?
anonymous
  • anonymous
40?
skullpatrol
  • skullpatrol
In the equation: y = mx + b b is the y-intercept.
anonymous
  • anonymous
oh ok
triciaal
  • triciaal
the y intercept means when t = 0
anonymous
  • anonymous
oh
triciaal
  • triciaal
what is your choice?
anonymous
  • anonymous
A?
triciaal
  • triciaal
put both responses together
anonymous
  • anonymous
so then whats the answer?
triciaal
  • triciaal
the y-intercept is the value of the function when t = 0 in your equation y = mx + b the y-intercept = b
triciaal
  • triciaal
|dw:1438102215426:dw|
anonymous
  • anonymous
i dont get it lol
anonymous
  • anonymous
so then the answer is?
triciaal
  • triciaal
|dw:1438102498957:dw|
triciaal
  • triciaal
|dw:1438102589362:dw|

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