PLEASE HELP ASAP
Find the domain and range of the exponential function h(x)=125^x.
Explain your findings.
As x decreases, dose h increase or decrease? Explain.
As x increases, dose h increase or decrease? Explain.
I dont understand please help.

James wants to promote his band on the internet. site a offers website hosting for $4.95 per month with a $49.95 startup fee. site b offers website hosting for $9.95 per month with no startup fee. for how many months would james need to keep the website for site a to be a better choice than site b? define a variable for the situation. write an inequality that represents the situation. solve the inequality to find out how many months he needs to keep the website for site a to be less expensive than site b. using words, describe how many months he needs to keep the website for site a to be less expensive than site b.

What is the solution to the equation? k/6.4=8.7 2.3 5.568 15.1 55.68

The suare root of 9x plus 7 plus the square rot of 2x equall to 7