If the graphs of and intersect at two distinct points
MATHEMATICS · Single correct · A Level · Mathematics · Algebra and Functions · Algebra and Functions
Problem
If the graphs of f(x)=x3 and g(x)=ax+1 intersect at two distinct points, then the range of a is equal to
(a) (0,∞)
(b) (−∞,−121)∪(0,∞)
(c) (−121,0)∪(0,∞)
(d) (−∞,−121)∪(−121,∞)