Need the answer asap

Consider the functions below. function 1 function 2 function 3 select the statement which is true about the functions over the interval [1, 2] a b function 3 has the highest average rate of change function 2 and function 3 have the same average rate of change. function and function 3 have the same average rate of change function 2 has the lowest average rate of change d.

Is the point (0, 8) on the x-axis or y-axis? how do you know?

Identify the initial amount a and the growth factor b in the exponential function. a(x)=680*4.3^x