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An animal is weighed at birth and each week after its birth. The equation for the line of best fit representing the growth of this animal is y=3.86x+15, where y represents its weight, in pounds, given the number of weeks, x, since birth. Which statement describes the y-intercept of the graph of y=3.86x+15?

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Answer:

y-intercept is the weight of the animal at birth (when x = 0)

Step-by-step explanation:

[tex]y=3.86x+15[/tex]

The slope (gradient) of the function is 3.86

The y-intercept of the function is 15

Therefore, the y-intercept is the weight of the animal at birth (when x = 0)

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