Answer:
Step-by-step explanation:
S for seats taken by girls, what is the formula for the number of boys on the bus
 
        
             
        
        
        
(-2 = √x - 7)x² (calculate)
(-9 = √x)x² (remove the parantheses)
-9x² + √x x² 
 
        
             
        
        
        
Answer:

Step-by-step explanation:
The zeros of a function is where the function crosses the x-axis. The x-intercepts are the zeros of a function.

Let output equal to 0.

Set factors equal to 0.


The zeros of the function are  and
 and  .
.