Question

Find the first, fourth, and eighth terms of the sequence a(n)= -3*2^n-1

Answer 1

Simple, plug in 1, 4, and 8 for n and solve.
-3×$2^{1-1}$=-3
-3×$2^{4-1}$=-24
-3×$2^{8-1}$=-384

So answer choice C

Answer 2

The correct answer is c.