Are thes coordinates a function or not?

(2,2)

(2,7)

(-2,9)

(-4,-5)

Which graph has a rate of change of zero

Plzz ! if you were constructing a triangular frame, and you had wood in the length of 4 inches, 4 inches, and 7 inches, would it make a triangle? would you be able to create a frame from these pieces of wood? yes or no? = explain your mathematical thinking/show your work:

Which of the following domains provide a real value periods