Question

Find the first six terms of the sequence.

a1 = -3, an = 2 ● an-1

Answer 1

Is this the problem? See attached

Answer 2

yes

Answer 3

a1 = -3
a2=(2 * -3) -1=-6-1=-7
a3=(2*-7)-1=-14-1=-15
a4=(2*-15)-1=-30-1=-31
a5 = ...
a6 = ...

Using an = 2 ● an-1.

That's it!

Answer 4

thank you so much !

Answer 5

NP