Question

domain and range of f(x)=7^x

Answer 1

Think about what happens when x gets REALLY big and REALLY small (including negatives).

Answer 2

Domain is all numbers. Range is (0,Infinity)

Answer 3

How do I write all numbers?

Answer 4

\[x \epsilon \mathbb{R}\]

Answer 5

I don't have that R symbol....what about an e in italics?

Answer 6

The e is actually an epsilon. And the R is the set of real numbers. How are you inputting this answer?

Answer 7

On the computer

Answer 8

try (-inf,inf)