Determine all zeros (x2+2x-8)

Write a recursive sequence that represents the sequence defined by the following explicit formula:

15 and 14.7 are 1 apart, so 15 – 14.7 must be 1.

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: