Answer:
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Step-by-step explanation:
4000 grams of baking flour
The axis of symmetry of a parabola is a line that divides it into two similar halves and this axis always goes through the vertex.
To find the equation of the line that represents the symmetry of the curve, suppose a parabola of the form 
Then, deriving y with respect to x we have:

By matching dy / dx to 0 we have and by clearing x we have:

This equation allows us to find the axis of symmetry for any quadratic function
Then for the first function of the image.
The axis of symmetry is:


For the second function of the image:


For the third function the axis of symmetry is observed with the naked eye, is the line of equation:

Well if you want to simplify you can do it to ways
1 leave it how it is because you cant simplify anymore
or
2 turn it into a mixed number
first see how many times you can fit 8 into 27
8*2=16 8*3=24 8*4=32
so it is 3 times
and you have 3 left over so that goes over 8 and your simplification is 3 3/8
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The domain would negative infinity to positive infinity . Domain would be the smallest through the largest possibly value of X. If you also need the range it’s ( -4,infinity]