He graph f(x)=x2 was transformed to create the graph g(x)=−15x2. Which statement describes this transformation?

a reflection over the x-axis and a vertical compression

a reflection over the y-axis and a vertical compression

a reflection over the y-axis and a horizontal compression

a reflection over the x-axis and a horizontal compression

Use set buikder notation to represent the following set: {, -2, -1, 0}

An arc subtends a central angle measuring 7pi/4 radians what fraction of the circumference is this arc?

Three friends went on a road trip from phoenix, az, to san diego, ca. mark drove 50 percent of the distance. jason drove 1/8 of the distance. andy drove the remainder of the distance. 1. andy thinks he drove 1/4 of the distance from phoenix, az, to san diego, ca. is andy correct? 2. the distance from phoenix, az, to san diego, ca, is 360 miles. how many miles did each person drive? 3. solve the problem. what is the answer in total?