What’s the point that partitions the segment with the two endpoints with the given ratio for (-3,4) (7,6) 1: 1

Aswim teacher sells lesson packages. the best deal has the highest ratio of lessons to total cost.swim lesson packagesnumber of lessons total cost$10$4010 1 $8015$80which package is the best deal? l lesson for $105 lessons for $4010 lessons for $8015 lessons for $80mark this and returnsave and exit

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