If f(x) = 2x2 + 1, what is f(x) when x = 3?.

Aflute is on sale for 20% off. including the discount and 8% tax, the sales price is $216.

Problem melissa is her dad build a walkway in their backyard. the walkway will be 54 feet long and 1.5 feet wide. the local hardware store sells tiles which are 1.5 by 1.5 feet and come in boxes of 12. how many boxes of tiles do they need?

In the xy-plane, if the parabola with equation passes through the point (-1, -1), which of the following must be true?