Stay Positive Funny Math Joke Pun Tee Shirt

This cute, happy t-shirt is perfect for anyone who loves math jokes and always likes to stay optimistic. Avoid negativity and stay positive with this adorable tee.This shirt features a math pun involving a function of "x" being equal to the absolute value of "x". A great, funny, and cute gift for a daughter, son, mom, dad, teacher, professor, friend, girlfriend, boyfriend, cousin, niece, nephew.