Triangle DEF has vertices D (-3, -2), E (4, 4), F (4, -1). What are the coordinates of F after the triangle is rotated counterclockwise about the origin? F' (2, -3)

F' (-1, -4)

F' (1, 4)

F' (-4, 4)

Mr. brettler is hanging up a 5-foot tall rectangular welcome sign in the gym. he has drawn a sketch on a coordinate grid. he has the lower vertices of the sign at (9, –3) and (–6, –3). where would the upper vertices be on the grid?

You just purchased two coins at a price of $670 each. because one of the coins is more collectible, you believe that its value will increase at a rate of 7.1 percent per year, while you believe the second coin will only increase at 6.5 percent per year. if you are correct, how much more will the first coin be worth in 15 years?

The graph represents f(x)=[x]+3. what is f(-2.2)?