What expressions is equivalent to 15p - 3p a) 3 b)3p c) 5 d) 5p

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)

Is this a polynomial function? i need to know asap

Prove that quadrilateral is a rhombus.