Asked by fatima
show that the sum of two increasing functions is increasing
Answers
Answered by
Steve
if f is increasing, f(x+h) > f(x) for h>0
so, if f and g are both increasing
f(x+h) + g(x+h) > f(x) + g(x)
so, if f and g are both increasing
f(x+h) + g(x+h) > f(x) + g(x)
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