This black t-shirt features a humorous design perfect for math teachers. The shirt displays the words "THIS MATH TEACHER STAYS ALWAYS POSITIVE", accompanied by the absolute value function, f(x) = |x|. The clever design combines mathematical humor with a motivational message. Ideal for casual wear, teacher appreciation gifts, or math-themed events. The shirt appears to be made of a comfortable fabric blend, offering both style and ease. A great conversation starter, this tee is sure to bring a smile to anyone's face.