In 1987 a recording artist sold 14,000 albums. in 1998 that same artist sold 4,683 albums. find the rate of change in record sales from 1987 to 1998. a. 1/847 years per album. b. –847 albums per year. c. 847 albums per year. d. –847 years per album.

Amodel rocket is launched from a roof into a large field. the path of the rocket can be modeled by the equation y = -0.04x^2 + 8.6x + 4.8, where x is the horizontal distance, in meters, from the starting point on the roof and y is the height, in meters, of the rocket above the ground. how far horizontally from its starting point will the rocket land? a. 0.56 m b. 215.56 m c. 431.11 m d. 215.74 m