By making use of the given function, the tax on a room that costs $120 is $11.7.
The given function is:
[tex]T(x)=0.06x+4.5[/tex]
Where x is the cost in dollars of the room and T(x) is the tax in dollars.
A function is a rule that establishes a relation between two variables.
We have to find the tax on a room that costs $120.
This means x=120 and we have to find the corresponding function value.
So, [tex]T(120)=0.06*120+4.5[/tex]
[tex]T(120)=11.7[/tex]
So, the tax on a room that costs $120 is $11.7
Hence, by making use of the given function, the tax on a room that costs $120 is $11.7.
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