Answer:
6
Step-by-step explanation:
f(x)=x^2-5x+6
To find the y intercept, set x=0
f(0) = 0^2 -5(0) +6
f(0) = 6
The y intercept =6
A=63.585 cm²
Note : It is not given what to find so i am finding are of the circle.
D=9cm
r=D/2
r=9/2
r=4.5
Area of the circle :
A=πr²
A=π4.5²