Answer: A
Step-by-step explanation: The reason is when the circle is empty, it means it isn't equal to and is either only less than or greater than, when the circle is full, it means it can be less than or equal to 5.
 
        
             
        
        
        
Answer:
The second group represents function f.
Step-by-step explanation:
Hope it helps...
Have a great day 
 
        
             
        
        
        
Answer:
49x^2 - 28x + 4 
Step-by-step explanation:
(7x - 2)(7x - 2)
Because squares have the same length of sides. 
49x^2 - 28x + 4 
 
        
             
        
        
        
Answer:
0.6 or 
Step-by-step explanation:
Using the Pythagorean theorem ( ) we get that the hypotenuse is 5.
) we get that the hypotenuse is 5.
so the cos V is adjacent over the hypotenuse. so if adjacent is 3 and hypotenuse is 5, the answer is  which equals 0.6 in decimal form.
 which equals 0.6 in decimal form.