Please help me with this

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

Organic apples are on special for $1.50 per pound. does total cost vary inversely or directly with the number of pounds purchased? find the cost of 3.4 pounds of apples. a. inversely: $5.10 b. directly; $5.10 c. inversely: $2.27 d. directly; $2.27

What would the rule be for the reflection of y=-3