7. A hotel charges a flat rate per group and an additional price per room for reserving a block of rooms. The expression 189r + 500 represents the total price, in dollars, the
hotel charges for one group renting r rooms.

Answercounterclockwise rotation about the origin by 180 degrees followed by reflection about the y-axisexplanationthe given figure has verticesrecall that for counterclockwise rotation about the origin, when we rotate figure pqrs counterclockwise through an angle of 180° about the origin, the coordinates will becomenext, we reflect in the y-axis by negating the x-coordinates of the resulting figure to obtain,therefore the correct answer is c