**8/24/2014****
**Point
(2, 3) lies on the graph of the inverse of f(x) = = 2x^{3}
+
x + *A*.
The value of *A
*is:

a)
-54 b) -15 c) 15 d) 18 e) 54

**Scroll
down for the solution.**

**8/24/2014
**Solution.
**B.
**Since
(2, 3) lies on the *inverse*
of
f(x), the point (3, 2) lies on f(x)! Substitute and find *A*
=
-15.