The circumference would be 53.38 because the formula on finding the circumference is pi times the diameter.
The inverse function is f^-1 (x)= -2+(x/3) dont add the parenethese though, i used the parenethese to show that its x over 3. hope that helped! :D
The wife made 33,500 and the husband made 29,500
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Step-by-step explanation: