Step-by-step explanation:
the answer is in the image above
Answer:
0?
Step-by-step explanation:
not sure without all of the question
Answer:
the last one
Step-by-step explanation:
the answer is d which it's the last one
Answer: The volume is the sum of all the areas of the cross-sections.
The Area is the area of an equilateral triangle, where the length of the base is distance from curve 'x^2 + 1' and x-axis.
The height of an equilateral triangle is
Therefore Area of triangle is:
Now integrate to find Volume
Step-by-step explanation:
A reflection about the x-axis will only change the position and
orientation of the quadrilateral. The new image will have the
same angles and side-lengths as the pre-image, and the two
will be congruent.