Ok last one then im done for right now

Check all that apply. f is a function. f is a one-to-one function. c is a function. c is a one-to-one function.

Rationalize the denominator- 12x/√x-10

50 points and will mark brainlest if you were constructing a triangular frame, and you had wood in the length of 4inches, 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: