When the square of a certain number is diminished by 9 times the number the result is 36. find the number?

Which geometric principle is used to justify the construction below?

Someone answer this asap for the first five terms of a sequence are shown. 5, 11, 23, 47, 95, . . which recursive function defines the nth term in the sequence for n > 1? a. f(n) = f(n - 1) + 6 b) f(n) = f(n - 1) + 48 c) f(n) = 3 • f(n - 1) + 1 d) f(n) = 3 • f(n - 1) - 4

Binh says the point of intersections is (0,-3) which statements identify the errors binh made , check all that apply