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2.10 Extension: Fitting functions to quadratic data

Interactive practice questions

The scatter diagram shows the number of restaurants in a city over time.

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a

Which type of model would be appropriate for this data?

Linear

A

Quadratic

B

Linear

A

Quadratic

B
b

Will the slope of the line in the linear model be positive or negative?

Positive

A

Negative

B

Positive

A

Negative

B
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