What does this mean , Help ?

The graph represents the gallons of water in a water tank with respect to the number of hours since it was completely filled

What is the 9th term in the geometric sequence described by this explicit formula? an=-6. (2)(n-1) apex

(05.03 mc) part a: explain why the x-coordinates of the points where the graphs of the equations y = 4x and y = 2x−2 intersect are the solutions of the equation 4x = 2x−2. (4 points) part b: make tables to find the solution to 4x = 2x−2. take the integer values of x between −3 and 3. (4 points) part c: how can you solve the equation 4x = 2x−2 graphically? (2 points)