1. if robert has $45 and has decided to double that amount every month, how much money will he have after 16 months? robert’s earnings can be described by the function y = 45 * 2x. (put that function into your calculator, graph and go to table and find when x = 16 months).
show all your work .

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?