Question

.

Answer 1

@poiuyt1234, You can automatically eliminate which two choices to begin with?

Answer 2

Correct

Answer 3

Now all you have to do is "plug and play" to figure out which of the last two choices is correct.

Answer 4

For example, plug in n = 1 into either equation and see if you get an = 3

Answer 5

3 = -6?
3 = -9?

Think about that for a moment.

Answer 6

Think about what you're setting a number equal to.

3 = 3
4 = 4

But does
6 = 9?

Answer 7

@Hero

Answer 8

what is this?? what type of math is it??