Using linear function concepts, it is found that the trend line would be expected to have a positive slope.
A linear function is modeled by:
y = mx + b
In which:
In this problem, the more times you go to the movies, the more money you are expected to spend, hence the variables are direct proportional and the trend line would be expected to have a positive slope.
More can be learned about linear function concepts at https://brainly.com/question/24808124
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