On a coordinate plane, a parabola opens up. It goes through (negative 3, 0), has a vertex at (negative 1, negative 11), and goes through (1, 0).
What is the range of the function f(x) = 3x2 + 6x ā 8?
{y|y ā„ ā1}
{y|y ⤠ā1}
{y|y ā„ ā11}
{y|y ⤠ā11}
TIME REMAINING
22:14
On a coordinate plane, a parabola opens up. It goes through (negative 6, 0), has a vertex at (negative 2, negative 16), has a y-intercept at (0, negative 12), and goes through (2, 0).
What are the x-intercepts of the graph of the function f(x) = x2 + 4x ā 12?
(ā6, 0), (2,0)
(ā2, ā16), (0, ā12)
(ā6, 0), (ā2, ā16), (2, 0)
(0, ā12), (ā6, 0), (2, 0)