Answer:-24
Step-by-step explanation:
You multiply your numbers without the - or the + 
You check ehich number is bigger and you use it symbol for the answer
Example: 3x8= 24
-8 is bigger than 3 so you use it symbol
= -24
 
        
             
        
        
        
Answer:
8198.88
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer: The correct answer is 27/26 or 1 11/16
Step- by-step explanation:
 
        
                    
             
        
        
        
Answer:
Step-by-step explanation:
a maximum or minimum occurs where the derivative equals zero
f(x) = -2x² + 14x - 10
f'(x) = -4x + 14
0 = -4x + 14
4x = 14
 x = 3.5
f(3.5) = -2(3.5)² + 14(3.5) - 10 = 14.5