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MA_775_DIABLO [31]
4 years ago
14

sarah took the advertising department from her company on a round trip to meet with a client. including sarah a total of 7 peopl

e took the trip.she was able to purchase coach tickets for $120 and first class tickets for $1020.she used her total budget for airfare for the trip,which was $2640.how many first class tickets did she buy? how many coach tickets did she buy?
Mathematics
1 answer:
USPshnik [31]4 years ago
8 0
Sarah purchased 2 first class tickets, and 5 coach tickets. This is the answer because $2640- $1020-$1020=$600, and $600÷5=$120.
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Step-by-step explanation:

We are given the following information in the question.

f(x) = x^4\\g(x) = x^3-x^2

We have to find the intersection point.

Equating the two equations we get,

x^4 = x^3 - x^2\\x^4 - x^3 + x^2 = 0\\x^2(x^2-x +1) = 0\\x^2 =0, x^2-x +1 = 0\\x = 0, x = 0, x^2-x +1=0

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The attached image shows the graph for the given function.

The red line represent f(x) and blue line represent g(x).

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