Find the First Four Terms of the Given Sequence $\mathrm{a}_{1}=9, \mathrm{a}_{\mathrm{n}}=2 \cdot \mathrm{a}_{\mathrm{n}}-1$

Multiple Choice

Find the first four terms of the given sequence.
- $\mathrm{a}_{1}=9, \mathrm{a}_{\mathrm{n}}=2 \cdot \mathrm{a}_{\mathrm{n}}-1$

A) $18,36,72,144$
B) $0,4,36,40$
C) $9,36,40,44$
D) $9,18,36,72$