Help plss its due today

What is the multiplicative rate of change of the exponential function shown on the graph?

Describe the domain and range of y=2(3)^x-2+5

The linear combination method is applied to a system of equations as shown. 4(.25x + .5y = 3.75) → x + 2y = 15 (4x – 8y = 12) → x – 2y = 3 2x = 18 what is the solution of the system of equations? (1,2) (3,9) (5,5) (9,3)