A letter to the editor of the New York Times complained about... need help with 9.12!

The vet charges $45 for an office visit and $10 for each vaccination your dog needs. write an eaquation

1. if we have 3 babies what is the probability they’re going to be all boys? 2. if we roll 2 die at the same time what is the probability of getting less than 10 on the first roll and a 5 on the second roll 3. if we have 3 babies what is the probability their is going to be 2 girls? 4. if we have 3 babies what is the probability of having no more than 1 girl? 5. it we have 3 babies and then have another 3 babies what is the probability of us having at least 1 boy and then having all girls?

Which describes the difference between the graph of f(x)=x^2 and g(x)=-(x^2-2)