Question

Determine the vertex form of g(x) = x2 + 2x – 1. Which graph represents g(x)? Image for option 1 Image for option 2 Image for option 3 Image for option 4

Answer 1

`g(x)=(x+1)^2-2`

Explanation:

`g(x)=x^2+2x-1\\ g(x)= x^2+2x+1-1-1\\ g(x)=(x+1)^2-2`

Answer 2

It's D. The fourth graph