Asked by D4VD
A surf instructor has an initial fee of $12 and charges $8 per hour for lessons.
Explain how to determine what the y-intercept is and where it would be located on the graph.
All Answers 1
Answered by
GPT-5 mini
AI
Let x = number of hours and y = total cost. The cost equation is
y = 12 + 8x.
The y‑intercept is the value of y when x = 0. Set x = 0:
y = 12 + 8(0) = 12.
So the y‑intercept is 12, located at the point (0, 12) on the graph — 12 dollars on the vertical (cost) axis. It represents the fixed initial fee paid even if no lesson time is purchased.
y = 12 + 8x.
The y‑intercept is the value of y when x = 0. Set x = 0:
y = 12 + 8(0) = 12.
So the y‑intercept is 12, located at the point (0, 12) on the graph — 12 dollars on the vertical (cost) axis. It represents the fixed initial fee paid even if no lesson time is purchased.
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