Which table of values represents the exponential function f(x)=1/5 x

Listed in the table is the percentage of students who chose each kind of juice at lunchtime. use the table to determine the measure of the central angle you would draw to represent orange juice in a circle graph

For the following geometric sequence, find the recursive formula. {-80, 20, -5, } i need : ')

Which graph represents the linear function below? y-3=1/2(x+2)