4x^2+9x-(x^2-6x+9)+11
4x^2+9x-x^2+6x-9+11
3x^2+15x+2
Answer:
q= 10
Step-by-step explanation:
9q - 10q = -10
-q = -10
q= -10/-1 = 10
Markup: The amount added to the cost price of goods to cover overhead and profit.
The x values can be anything, the y value is dependant on the x and your x value would depend on the scale of your x axis
