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MTH208 Week 5 Final Exam Solution Key

I. True or False (5 Points)

 

II. Solve the following (20 Points)

 

 

                 
The population of China is 1.2 Billion.

 

            The width of the patio is 9 feet.

 

     
y = -1/4x + 3

 

      x – 5

      x / 6

     
                  Length = 98 feet
                  Width = 46 feet

 

      a = (m+w)/P

      x = 3/(2-a)

      X > 6 feet       (Tony = X)

      X ≥ 45 mph    ( Speed = X)

 

                 
Brandon can afford list price diamonds up to $2000.


 

 

The origin is the point where the x-axis and y-axis intersect. The origin should be (0,0). 

            An intercept is the point where a graph crosses the x-axis or y-        axis. This crossing point is called the x-intercept or the y-       intercept.

0.05x + 0.10y = 1.3 and
x + y = 19

(-10) .05x + .1y = 1.3 (-10)
-.5x - y = -13
x + y = 19
.5x  =  6
x = 12

12 + y = 19
y = 7

(12, 7)

 

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