Naomi S. answered • 08/29/18

Patient and experienced math tutor

let weekly sales = x

weekly income = 760+7.5% of x

w(I) =760 +0.075 x

This is function.

As only one answer for w(I) for every x.

Ana G.

asked • 08/28/18A sales person is paid a weekly salary of $760, plus a commission of 7.5% of all her sales for the week. Express her weekly income in terms of the weekly sales amount. Is this a function? How do you know? What is an appropriate domain?

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Naomi S. answered • 08/29/18

Patient and experienced math tutor

let weekly sales = x

weekly income = 760+7.5% of x

w(I) =760 +0.075 x

This is function.

As only one answer for w(I) for every x.

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