Help please thanks?!
2 Answers
See explanation.
Explanation:
The solid's area is equal to the area of a sphere and a side area of a cylinder, so:
(a)
A=4pix^2+2pixyA=4πx2+2πxy
The volume is:
V=4/3pix^3+pix^2yV=43πx3+πx2y
The condition that volume equals
Now we can put the calculated
To find the minimum area we have to calculate the derivative
graph{8x^3-1 [-1, 1, -5, 5]}
From the graph of
The minimum area is:
A.
B.
C.
D.