Mr. j.doe has a taxable income of$9000. if the income tax rate is 16% on the first $4000 of 19% income on the next $4000 and 23% on the next $1000,how much is me. doe tax

(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)