Use the function f(x) = 34.2• 3^x to answer the following questions. 1) What is the domain and range of the function?

2) what is the initial value of the function?

3) what would be the rate of change over the interval [2,4]?
4) let f(x)=3x-15 , g(x)=4^x, and h(x) = 0.5(6)^x
A) find a rate of change for each over the interval [1,4].
B) which function has the greatest rate of change over that interval?
C) which function has the least rate of change over that interval?