Answer:
Yes
It is proportional because the line crosses both 1 and -1
 
        
             
        
        
        

Plug in what we know:

Multiply:

Add this to the original amount.

So he will have $6000 in his account after 5 years.
 
        
             
        
        
        
Answer:
To know what the ratio for the cos of theta, we actually have to see the adjacent and hypotenuse values. cos=adjacent/hypotenuse. 
Step-by-step explanation:
 
        
             
        
        
        
Can you repost this with the picture
        
                    
             
        
        
        
Given that:
f(x) = -2x²-2x+10
f(2) = -2(2)²-2(2)+10
 = -2(2*2) - 4 + 10
 = -2(4) - 4 + 10
 = -8 - 4 + 10
 = -12 + 10
 = -2 Ans.
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Given f(x) = 1/2x - 5, find f^-1(x) a. f^-1 (x) = -2x+10 b. f^-1(x) = 2x+5 c. f^-1(x) = 2x-10 d. f^-1(x) = 2x+10...
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