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Mathematics, 20.02.2020 23:01 shawntawright1
Consider a circle whose size can vary. Let r represent the radius of the circle (in cm) and let C represent the circumference of the circle (in cm). Suppose the function f determines the circumference of the circle in cm, C , given its radius length in cm, r .'
a. Write a function formula for f.
b. What does f(12) represent in this context? Select all that apply.
i. The radius (in cm) of a circle whose circumference is 12 cm.
ii. A circle with a radius of 12 cm.
iii. The circumference (in cm) of a circle whose radius is 12 cm.
iv. A circle with a circumference of 12 cm.
c. If f(a) 12, what does a represent in this context? Select all that apply.
i. The circumference (in cm) of a circle whose radius is 12 cm.
ii. The radius (in cm) of a circle whose circumference is 12 cm.
iii. A circle with a circumference of 12 cm.
iv. A circle with a radius of 12 crm
d. What values can r assume in this context?
e. What values can f(r) assume in this context?
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