The graph of the function f(x) = -3x² – 3x + 6 is shown. Which statements describe the graph? Select three options. The vertex is the maximum value.
The axis of symmetry is x= -1/2
The domain is all real numbers
The function is decreasing from (-infinity,6.75)

The vertex of this parabola is at (-2,-3). when the x-value is -1, the y-value is -5. what is the coefficient of the squared expression in the parabola's equation?

Which of the following parabolas opens down?

Afootball quarterback has two more chances to throw a touchdown before his team is forced to punt the ball. he misses the receiver on the first throw 25% of the time. when his first throw is incomplete, he misses the receiver on the second throw 15% of the time. what is the probability of not throwing the ball to a receiver on either throw?