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Paraphin [41]
3 years ago
9

A hotel chain charges $80 each night for the first two nights amd $60 for each additional night's stay. The total cost T is a fu

nction of the number of nights x that a guest stays.
Complete the expression in the following piecewise defined function.
T(x)= if 0
Mathematics
1 answer:
kari74 [83]3 years ago
4 0
The cost s $80 a night for the first two nights. Therefore the total cost is
T(x) = 80x,  x ≤ 2

The cost is $60 a night for each additional night after 2 nights. Therefore
T(x) = 80x + 60(x-2)
       = 140x - 120, x > 2

Answer:
The piecewise function for the total cost is
T(x) = 80x,  x ≤ 2,
       = 140x - 120, x > 2

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Given the equation of circle be x^{2} +y^{2}-2x-8=0.

We are required to find the appropriate statements related to the equation x^{2} +y^{2}-2x-8=0.

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Equation of a circle usually in the form x^{2} +y^{2} =a^{2} in which a is radius.

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From the equation point will be (1,0). It is on the x axis.

Hence the statements which are correct about the equation of circle x^{2} +y^{2}-2x-8=0 are 1) The radius of the circle is 3 units,2) The center of the circle lies on the x axis,5) The radius of this circle is the same the radius of the circle whose equation is x^{2} +y^{2} =9.

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B=13cm

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