Answer:
B) 77.5 square feet
Step-by-step explanation:
cut shape into rectangle and triangle
area of rectangle = x*y
area of rectangle = 5*13
area of rectangle = 65
area of triangle = (z-x)*(y-w)/2
area of triangle = 5*3/2
area of triangle = 7.5
Total area = 65 + 7.5
Total area = 77.5, B)
 
        
                    
             
        
        
        
ANSWER
The function if the graph is,

EXPLANATION
We want to write the function for the graph that, goes through (1,8) and (0,2).
Let the function be of the form 

Where m is the slope and 

is the y-intercept.
The slope is

The equation becomes,
