Brainliest + points! what's true about the exponential function y = 2 ^ x explain!

The expo function y = 2 ^ x has the following properties:

1.  The domain is the set of all real numbers.

2.  The range is (0, infinity).  

3.  The graph appears in Quadrants I and II and never touches the x-axis.

4.  The function is always positive.

5.  The inverse function of y = 2 ^ x is found b)y interchanging x and y here

     and solving x = 2^y for y:  Taking the ln of both sides, ln x = y ln 2, so that

     y = (ln x) / (ln 2) (ONLY for positive x)

a

Step-by-step explanation:

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