A and B represent whole numbers, and A▯B means A² + B² - 2AB. What is the value of 9▯(5▯2)?

What is the domain and range of each function 1. x (3, 5, 7, 8, 11) y ( 6, 7, 7, 9, 14) 2. x (-3, -1, 2, 5, 7) y (9, 5, 4, -5, -7)

Question: what is the value of x 4x-2= (-7) +5x. it would be greatly appreciated if someone could actually explain to me step by step

Can any one me with the answers to these questions asap?