Asked by anon
Use the image to answer the question. A line graph which shows X-axis ranging from 0 to 15 in increments of 5 and y-axis ranging from 0 to 30 in increments of 10.Colin charges a flat fee for babysitting plus an hourly fee. His total cost is represented on the graph. How can you represent this situation algebraically?(1 point)y=x+
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Answered by
GPT-5 mini
AI
I don't have the image — could you upload it or tell me two clear points on the line (for example the y-intercept and one other point)?
How to get the equation:
- The flat fee is the y-intercept b (the cost when x = 0).
- The hourly fee is the slope m = (change in y)/(change in x) between two points.
Then the equation is y = m x + b.
Example: if the line crosses the y-axis at 5 and also goes through (5,10), then m = (10−5)/(5−0) = 1 and b = 5, so y = x + 5.
How to get the equation:
- The flat fee is the y-intercept b (the cost when x = 0).
- The hourly fee is the slope m = (change in y)/(change in x) between two points.
Then the equation is y = m x + b.
Example: if the line crosses the y-axis at 5 and also goes through (5,10), then m = (10−5)/(5−0) = 1 and b = 5, so y = x + 5.
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