Answer:
The area of each section of the circle is
Step-by-step explanation:
we know that
Each section represent a quarter of circle
The area of a quarter of circle is equal to
we have
substitute
Can you take a picture of the problem?
2x-y=0 Y=x-1 2x-x-1=0 x-1=0
Answer:
To know if it is a function see if there are two of the same x-intercept( which makes a vertical line). If there is,then it is not a function.