When the smallerof two consecutive integers is added to two times the larger, the result is 17.find the integers

What is the average rate of change for this function for the interval from x=2 to x=4 ?

In the figure below, ∠dec ≅ ∠dce, ∠b ≅ ∠f, and segment df is congruent to segment bd. point c is the point of intersection between segment ag and segment bd, while point e is the point of intersection between segment ag and segment df. the figure shows a polygon comprised of three triangles, abc, dec, and gfe. prove δabc ≅ δgfe.

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