The function f(x) = 2-5× can be used to represent the curve through the points (1. 10), (2, 50) and (3, 250). What is the multiplicative rate of change of the function? O 2 05 O 10 O 32​

Amovie streaming service charges it’s customers $15 a month. martina has $98 saved up. will she have any money left over if she pays for the maximum amount of months she can afford? explain.

Asap! i'm not good math and i'm lost.

2.5 milligrams is equivalent to how many grams