\(g \circ h\) is
FURTHER MATHEMATICS
WAEC 2012
\(g \circ h\) is
- A. one- to- one
- B. onto
- C. a relation
- D. a series
Correct Answer: B. onto
Explanation
The function \(y = g(x)\) is one- to- one but \(z = h(y)\) is not one- to- one but onto.
\(\therefore h(g(x)) = onto\)
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