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a function that never fails and always gives you 11, like getting a perfect score on a test when you didn't even study.
My math teacher said f(x)=11 is like getting 11 out of 11 on a pop quiz, and I didn't even blink.
I told my friend f(x)=11 is the only reason I passed algebra.
My dog knows f(x)=11 means it's time for treats.