The equation expressing as a function of is .
To find an equation expressing (number of show tickets sold) as a function of (time in hours since 10:00 AM), we can use linear interpolation between the given points , .
The equation of a line can be written in the form , where is the slope and is the y-intercept.
1. Find the slope using the formula
2. Now, use the point-slope form of a line with one of the given points, let's say :
3. Simplify the equation:
So, the equation expressing as a function of is .
The probable question is attached below.
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