The information depicted by the graph about the slope and intercept as it relates to the gym fee is stated thus :
- Slope of 20 means a out paid increases by 20 per unit increase in number of classes attended.
- The intercept represents the initial membership fee of 60
From the graph :
Slope = (200 - 60) / (7 - 0) = 140/7 = 20
Hence, the slope of the graph is 20
The slope means that ; for each unit increase in the number of classes attended, the number gym fee increases by $20
The vertical intercept is the value of the y-intercept ; which is 60. This represents the initial membership fee paid.
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