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skylarwise121
19.09.2019 •
Mathematics
Mai wants to make an open top box by cutting out corners of a square piece of cardboard and folding up the sides. the cardboard is 10 cm by 10 cm. the volume v(x) in cubic cm of the open top box is a function of the side length x in cm of the square cutouts
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Ответ:
The volume of a shape is the amount of space in it;
The volume as a function of side length (x) is:![V(x)= 4x^3 - 40x^2 + 100x](/tpl/images/0243/9860/08070.png)
From the question, we have the dimension of the cardboard to be;
When side length (x) is removed from the cardboard, the dimension of the box becomes:
So, the volume of the box is:
Substitute known values
Expand
Expand
Rewrite as:
Express as a function
Hence, the required function is:![V(x)= 4x^3 - 40x^2 + 100x](/tpl/images/0243/9860/08070.png)
Read more about volume functions at:
link
Ответ:
The domain for x is all real numbers greater than zero and less than 5 com
Step-by-step explanation:
The question is
What is the volume of the open top box as a function of the side length x in cm of the square cutouts?
see the attached figure to better understand the problem
Let
x -----> the side length in cm of the square cutouts
we know that
The volume of the open top box is
we have
substitute
Find the domain for x
we know that
so
The domain is the interval (0,5)
The domain is all real numbers greater than zero and less than 5 cm
therefore
The volume of the open top box as a function of the side length x in cm of the square cutouts is
Ответ:
568
Step-by-step explanation: