Does the table represent an exponential function?

x: 1 2 3 4
y: 3 9 27 81

a)no
b)yes

5 answers

I think it would be no. but i am not positive
I would agree.
I would say yes: y = 3^x
oobleck is correct, I got 100%.
If you solve it, y=3^x is sensible
3^1=3
3^2=9
3^3=27
3^4=81
and so on
Great Job, oobleck!
Thanks.