HELP PLEASE I'VE BEEN ASKING QUESTIONS FOR ALMOST WEEKS AN NO ONE HAS ANSWERED!!!
 select ALL statements that correctly states the key feature of the parent
 parent function:y=2^x
 1.The y-intercept is 1.
 2.The x-intercept is 0. 
 3.The asymptote is at y=0.
 4.The domain is all real numbers.
 5.The range is all real numbers.
 6.As x decreases, y approaches, but never reaches, 0. As x increases, y increases.