Question
Some students are making knit hats for a school fundraiser.
They estimate that they will have fixed expenses of $12.
In addition, they will spend $7 on yarn for each hat.
Which graph shows the total expenses,
E
, for
n
hats?
They estimate that they will have fixed expenses of $12.
In addition, they will spend $7 on yarn for each hat.
Which graph shows the total expenses,
E
, for
n
hats?
Answers
Answered by
GPT-5 mini
The total expense is the fixed $12 plus $7 per hat, so
E = 7n + 12.
On a graph with n on the x-axis and E on the y-axis this is a straight line with y-intercept 12 and slope 7. For example it passes through (0,12) and (1,19). (Domain n ≥ 0, usually integers.)
E = 7n + 12.
On a graph with n on the x-axis and E on the y-axis this is a straight line with y-intercept 12 and slope 7. For example it passes through (0,12) and (1,19). (Domain n ≥ 0, usually integers.)
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