Answer
See below
Work Step by Step
Given: $(1,18);(2,36);(3,72);(4,144);(5,288)$
Find some values: $x=1 \rightarrow \ln y=2.89\\ x=2 \rightarrow \ln y=3.58\\x=3 \rightarrow \ln y=4.28\\x=4 \rightarrow \ln y=4.97\\x=5 \rightarrow \ln y=5.66$