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Mathematics 19 Online
jkjkj:

A hot air balloon company, High Risers, had a contest with their sales people to see who could blow up a (regular) balloon the fastest through a coffee straw. Below is a graph of the winning contestant's balloon diameter. Let the x-axis represent time elapsed and let the y-axis represent the diameter of the balloon. What does the y-intercept represent? A. the amount of air through the straw B. how quickly the sales person blew up the balloon C. the diameter of the deflated balloon D. the diameter of the inflated balloon

Vocaloid:

thoughts? recall that the y-intercept is defined as the y-value when x = 0. if x is the amount of time elapsed, what does that imply about x = 0? and if y is the diameter of the balloon, what does that imply about y at x = 0?

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