Help!
Select the correct answer.
The vertex of a parabola is at (1,3), and its focus is at (1,3.5). Which function does the graph with these attributes represent?
(x + 1)² + 3
-(x + 1)² + 3
O A.
O B. f(x)
O c. f(x) =
- (2-1)² + 3
O D. f(z)=(x - 1)² + 3
f(x) =
↓