Answer:
f(X) 70x49
Step-by-step explanation:
 
        
             
        
        
        
Answer:
3/8
Step-by-step explanation:
 
        
             
        
        
        
Given: 3y cos x = x² + y²
Define 

Then by implicit differentiation, obtain
3y' cos(x) - 3y sin(x) = 2x + 2y y'
y' [3 cos(x) - 2y] = 2x + 3y sinx)
Answer:
 
 
        
        
        
F(180) = x/30
= 180/30 = 6 gallons of gas is needed
 
        
             
        
        
        
Answer:
D. y=5x+2
Step-by-step explanation:
The y int. is 2, and the slope is 5/1. If you plug that into a calculator, you can see the slope being steep.