# Revolve A Function Around the Y axis? [duplicate]

I am seeking to revolve the are between the functions function $d(x) = Exp(x)$ and $e(x) = 4 - x^2$ around the line $x = 2$. I am using RevolutionPlot3D, so I thought it best to use the Y axis instead. Here is the modified code:

d[x_] := E^(x + 2)
e[x_] := 4 - (x + 2)^2

RevolutionPlot3D[{{d[x]}, {e[x]}}, {x, -1.96464 - 2, 1.05801 - 2},
RevolutionAxis -> "Y"]


However, I find that the code does not produce the revolution that I am seeking. Is there a syntax error or an error in my methodology? Any push in the right direction would be quite helpful.

• Possible duplicate Arbitrary axis approach by J. M. and strongly related almost the same case – Kuba Mar 23 '14 at 18:40
• The region you want to rotate is ambiguous! Is the region you want rotated the "quasi-triangular" region bounded by the line $x = 1$ on its left, the curve $y = 4 - x^2$ above, and the curve $y = exp(x)$ below? – murray Mar 23 '14 at 21:20
• Have you tried RevolutionAxis -> "Z"? – Michael E2 Mar 24 '14 at 3:42

RevolutionPlot3D[{{x, d[x], 0}, {x, e[x], 0}},