{1️⃣..9️⃣}

#number set #range notation #one to nine #numeric interval

2️⃣➖🔟

#number range #dash range #two through ten #between two and ten #range notation #numeric interval

📈{🟥🟧🟨}

#math brackets #set notation #colorful graph #interval notation #color-coded sets #range notation #data bracket