Question

The number of people who vote early doubles every week leading up to an election. This week, 1200 people voted early. The expression 1200 × 2w models the number of people who will vote early w weeks after this week.
a) How many people will vote 5 weeks from now?
b) What would the expression represent if w = -3?

Answer 1

1200 x 2^w

Answer 2

hmmm... why is it 1200 x 2w and not 1200 + 2w? thats strange... I need to wrap my head around this one

Answer 3

I honestly dunno

Answer 4

well might as well do what it says.. substitute 5 for w

1200 x 2(5)

1200 x 10

12000

Answer 5

alrighty

Answer 6

1200 x 2(-3)
1200 x -6
-7200