You do this by converting to vertex form a(x - b)^2 + c where the axis of symmetry is x = b
the correct function to have a symmetry x = 3 will be the one which includes -6x
which is the last one
x^2 - 6x - 1 = (x - 3)^2 -9-1
the last option is the correct one
Answer:

Step-by-step explanation:
Given
The attached functions
Required
Find f(9)
We have:

So:



I hope this helps you
2 (-5-x)= 3-y
-10-2x=3-y
y=2x+13
68 pumpkins will be needed to make the pies.
Answer:
20cm
Step-by-step explanation:
A=hb/2
h=5cm
b=8cm
A=(5*8)/2
A=40/2
A=20