maebe8thmalaco maebe8thmalaco 29-06-2016 Mathematics Answered what is f(x) = 2x^2 28x – 5 written in vertex form? f(x) = 2(x 7)2 – 19 f(x) = 2(x 7)2 – 103 f(x) = 2(x 14)2 – 14 f(x) = 2(x 14)2 – 98