How can the graph of f(x)=1/2(x+3)^2 -3 be obtained from the graph of y=x^2

Acollege is planning to construct a rectangular parking lot on land bordered on one side by a highway. the plan is to use 680 feet of fencing to fence off the other three sides. what dimensions should the lot have if the enclosed area is to be a maximum?

Tcan be concluded that % of the seniors would prefer to see more candid pictures in this year's edition of the yearbook.

Which inequality comparing two of the expressions is true when 0.7 < x < 0.9