Which exponential function goes through the points (1, 8) and (4, 512)? f(x) = 4(2)^x f(x) = 8(2)^-x f(x) = 4(4)^-x f(x) = 2(4)^x

The number of 8th graders who responded to a poll of 6th grade and 8 th graders was one fourtg of the number of 6th graders whi responded if a total of 100 students responddd to the poll how many of the students responded were 6 th graders