The ordered pairs (1, 3), (2, 9), (3, 27), (4, 81), and (5, 243) represent a function. What is a rule that represents this function?

y = x3
y = 3x
y = 3^x
y = x + 2

Question

The ordered pairs (1, 3), (2, 9), (3, 27), (4, 81), and (5, 243) represent a function. What is a rule that represents this function?

y = x3
    y = 3x
    y = 3^x
    y = x + 2

allank · Answer

You could use plugging in to determine the answer.

anonymous · Answer

I've got my answers, i am just kind of checking if they are correct. Mine is  y = 3^x. Is this correct?

anonymous · Answer

I am behind in my school a bit, and fast, simple responses would be nice. Not trying to be mean or anything. Just don't want to spend my winter break doing nothing but school.

allank · Answer

No prob, I'm more of a 'guide you to answer' guy but you're okay with that. Laterz..