Question - Understanding Linear Functions and Slope Interpretation
Solution:
In the function y = 2.50x + 10, y represents the total amount spent at a state fair, and x represents the number of tickets purchased.The slope of a linear function like this is the coefficient of x, which is 2.50 in this case. The slope indicates how much y changes for each additional unit of x. In this context, that means the slope tells us how much the total amount spent increases for each additional ticket purchased.Therefore, the correct meaning of the slope in the function is that each ticket costs $2.50, which corresponds to choice D: Each ticket costs $2.50.
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