Answer:
x= -5 hope this helps
Step-by-step explanation:
did the math
Answer:
2,130
Step-by-step explanation:
1. solve for x.

when 

2. place value for X into equation

Maximim profit is 2,130.
Answer:
The required equation is
.
Step-by-step explanation:
The equation of line cd is

Slope intercept form of a line is

Where, m is slope and b is y-intercept.
Slope of line cd is 3.
The product of slopes of two perpendicular lines is -1.



Therefore slope of perpendicular line is
.
Point slope form of a line is

Slope of perpendicular line is
and line passing through the point (3,1).



Therefore the required equation is
.