Answer: A) the vertex is maximum value
B) the axis of symmetry is x= -1/2
C) the domain is all real numbers
Step-by-step explanation:
Graphs of functions contain formulas that were solved for the variable y, and it has real numbers, symmetry, and maximum value.
[tex]\to f(x) = -3x^2 -3x +6[/tex]
Find out more about the function here:
brainly.com/question/15165011