Y = ax + 4x - 2 x= 1
y = a(1) + 4(1) -2
y = a + 2
y - 2 = a
        
             
        
        
        
Answer:
(a) The future value after 9 years is $7142.49.
(b) The effective rate is  .
.
(c) The time to reach $13,000 is 21.88 years.
Step-by-step explanation:
The definition of Continuous Compounding is 
If a deposit of  dollars is invested at a rate of interest
 dollars is invested at a rate of interest  compounded continuously for
 compounded continuously for  years, the compound amount is
 years, the compound amount is

(a) From the information given



Applying the above formula we get that

The future value after 9 years is $7142.49.
(b) The effective rate is given by

Therefore,

(c) To find the time to reach $13,000, we must solve the equation


 
        
             
        
        
        
Answer:
make 360×each number given/15 students to start drawing
360×7/15=168°
360×5/15=120°
360×2/15=48°
360×1/15=24°
now draw each one from the radius give to the clockwise
if you don't know what's clockwise direction, see it from your house or tell anybody in your home to tell you where is clockwise 
after you finish drawing, label each section by writing the names on the correct sections ( you can write in or out of the circle)
 
        
             
        
        
        
Answer:
2/4
Step-by-step explanation:
 
        
                    
             
        
        
        
She earns 345$ for the whole 3 years.