Use calcutlator and it all smushed up i can barley see it

A linear function has 1 as the highest power of the variable.
A. f(x) = 2 - 7x
here, the highest power of the variable x is 1.
Hence it is a LINEAR function.
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B. f(x) = 2 + x + x^2
here, the highest power of the variable x is 2.
Hence it is NOT a linear function.
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here, the highest power of the variable x is 1/2.
Hence it is NOT a linear function.
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Answer:
none, because without the letters and numbers.the plate number can not be identify or formed
Answer: 65200
7 - 1 = 6 x 11700 = 70200 - 5000 = 65200