- 8(7k-5) + 7(7k-7) = 1 - 5k - k - 7
- 56k + 40 + 49k - 49 = 1 - 6k - 7
13k = 3
k = 3/13
i am a mathematics teacher. if anything to ask please pm me
        
             
        
        
        
Answer: B) False
A counter-example would be the cubic polynomial y = x^3 which doesn't have a max or a min. The graph stretches forever in both directions (up and down) indicating that the range is the set of all real numbers. 
 
        
             
        
        
        
Answer:
x-int: (2, 0)
y-int: (0,8)
(8-0)/(0-2)= 8/-2=  -4
y - 0 = -4(x - 2)
y = -4x + 8
Step-by-step explanation:
 
        
             
        
        
        
Answer:
1 out of 6 for green die and 1 out of 6 for red die
Step-by-step explanation:
As we know there are six numbers on both of the dices 
so if we toss a die there is a 1 out of 6 outcomes that a 4 comes out for the green die and 1 out of 6 outcomes again for the red die
 
        
             
        
        
        
Answer:
2
Step-by-step explanation:
5/8 8 people in all, 5 were in spin class, 1 was lifting weights, 2 were running.