What is f(x) = 2x2 28x – 5 written in vertex form?

a. f(x) = 2(x 7)2 – 19

b. f(x) = 2(x 7)2 – 103

c. f(x) = 2(x 14)2 – 14

d. f(x) = 2(x 14)2 – 98

What is f(x) = 2x2 28x – 5 written in vertex form?

a. f(x) = 2(x 7)2 – 19

b. f(x) = 2(x 7)2 – 103

c. f(x) = 2(x 14)2 – 14

d. f(x) = 2(x 14)2 – 98