Considering it's own equation, the circumference of the circle will be increased by a factor of 7.
The circumference of a circle of radius r is:
[tex]C = 2\pi r[/tex]
Since the radius is elevated to power 1, if it is multiplied by a factor of 7, the circumference of the circle will also be increased by a factor of 7.
More can be learned about the circumference of a circle at https://brainly.com/question/20489969
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