Answer:
54 because I don't know I can't explain
Answer with Step-by-step explanation:
We are given that

when x<9
when 
LHD

=
RHD



Hence, the function is not differentiable at x=9
Answer:
x: 23
y: -46
Step-by-step explanation:
so sorry if this is wrong, but i think thats it
Answer:
The side length of the table is x + 5
Step-by-step explanation:
To solve this, you need only take the square root of the area:

So the side length of the table is x + 5