Describing Effects of a Change in Slope and y-Intercept

The yearly cost in dollars, y, at a video game arcade based on total game tokens purchased, x, is y = x + 60 for a member and y = x for a nonmember. Explain how the graph of a nonmember's yearly cost will differ from the graph of a member's yearly cost.

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Mathematics

Eden Johnston

22 February, 03:46

Describing Effects of a Change in Slope and y-Intercept

The yearly cost in dollars, y, at a video game arcade based on total game tokens purchased, x, is y = x + 60 for a member and y = x for a nonmember. Explain how the graph of a nonmember's yearly cost will differ from the graph of a member's yearly cost.

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Rhys Logan · Answer 1

Both of the rules have the same slope, which is 1. Because the rule for members is x+60 compared to just x, a member will always pay $60 more than a non-member for any value of x.