Let
be continuous functions with f ( a ) ≥ g ( a ) {\displaystyle {}f(a)\geq g(a)} and f ( b ) ≤ g ( b ) {\displaystyle {}f(b)\leq g(b)} . Show that there is a point c ∈ [ a , b ] {\displaystyle {}c\in [a,b]} with f ( c ) = g ( c ) {\displaystyle {}f(c)=g(c)} .