Use the graph below to identify the following key features. 1. Minimum
2. x-intercept(s)
3. y-intercept:

(-4,-4)min, x-intercepts (-2,0) (-6,0), y-intercept (0,2)

yes because there is exactly one y value for every x value

for function there can't be more than one value for every x value

homozygous. one is homozygous, while two is heterozygous.