Answer:
Middle graph is the graph of f(x)=4(1/2)^x
Step-by-step explanation:
plot a couple of easy points and find which graph has those points on the line.
f(0) = 4(1/2)^0 = 4
f(x) = 4(1/2)^1 = 2
f(2) = 4(1/2)^2 = 1
All these points fall on the line in the middle graph.
