Which recursive formula represents the sequence {1, 2, 4, 8, 16, ...}

Marcus needs to rewrite f(x) = x2 + 6x + 4 in vertex form.

What is a possible solutions of the x> 3?

Tomas used 3 1/3 cups of flour and now has 1 2/3cups left. which equation can he use to find f, the number of cups of flour he had to begin with? f+3 1/3=1 2/3 f-3 1/3=1 2/3 3 1/3f=1 2/3 f/3 1/3=1 2/3