Answer:x is equal to 2. Hope this is helpful 
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
The graph in the attached figure
Step-by-step explanation:
we have

This is the equation of a vertical parabola open upwards
The vertex is a minimum
The vertex is the point (1,2)
The y-intercept is the point (0,3)
The function does not have x-intercepts
see the attached figure
 
        
             
        
        
        
The truck was going 40 miles per hour
The amount of time was 2 hours:
(90-80: 10)(10/2=5)
80 divided by two is 40
The car was going 45 miles per hour
(90-80:10)(10/2=5)
90 divided by two is 45
Hopefully you find this helpful
        
             
        
        
        
A= 3.14* 12^2
= 3.14* 144
= 452.16cm^2
        
                    
             
        
        
        
ANSWER: <em><u>D. Icosahedron</u></em>