The graph of an absolute value function opens down and has a vertex of (0, -3). find the domain and range.
domain:
a) [-3, ∞ )
b)( -∞ ,-3]
∞ , ∞ )
range:
∞ , ∞ )
b)[-3. ∞ )
∞ ,-3]

Astudent draws two parabolas both parabolas cross the x axis at (-4,0) and (6,0) the y intercept of the first parabolas is (0,-12). the y intercept of the second parabola is (0,-24) what is the positive difference between the a values for the two functions that describe the parabolas