8/24/2014
Point
(2, 3) lies on the graph of the inverse of f(x) = = 2x3
+
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.