List power power set of a:{1,2}​

Which polynomial function has x intercepts -1, 0, and 2 and passes through the point (1, -6)

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?

Which of the functions graphed below has a removable discontinuity?