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Consider the following calculation program:
Choose a number.
Multiply the chosen number by itself.
Let \(x\) be the number chosen initially. Determine the function \(f\) that corresponds to the result obtained with this program.
Choose one answer:
\(f(x)=2x\)
\(f(x)=x+2\)
\(f(x)=2x^2\)
\(f(x)=x^2\)
Exit