( 4,20)is the correct answer
        
                    
             
        
        
        
I think it is 3.5 
if 8 is divided by 4, you get two since they are the same shape, 14 should be divided by 4 as well which is 3.5
        
                    
             
        
        
        
Answer:
-4
Step-by-step explanation:
Given function 
f(x) = -2x² + 3x - 4 
Comparing with ax² + bx + c We get 
c = - 4 
Hope it will help :)❤
 
        
                    
             
        
        
        
Dur
1 more than 2 times input
input is x
1 more than twice x
1+2x
f(x)=2x+1
        
             
        
        
        
<span>Form a sequence that has two arithmetic means between -13 and 89. a. -13, 33, 43, 89 c. -13, 21, 55, 89 b. -18, -36, -72, -144 d. -18, -81, -144
Solution:
Since  it has to be between -13 and 89, letter d and b are not anymore considered to be the answer.
for a:
33-(-13)=46=d
43-33=10=d the value for this d is different from the two sequence,
89-43=46=d
they have different value for d, thus this is not the answer!
for c:
21-(-13)=34=d
55-21=34=d
89-55=34=d
they have the same value for d, thus the correct answer is </span><span> c. -13, 21, 55, 89</span>