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# properties of the Stone-Weierstrass Theorem

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Let be a compact interval and let A be a collection of continuous functions on which satisfy the properties of the Stone-Weierstrass Theorem
[Stone-Weierstrass Theorem: Let K be a compact subset of and let A be a collection of continuous functions on K to R with the properties:
a) The constant function belongs to A.
b) If
c) if
d) if
Then any continuous function K to R can be uniformly approximated on K by functions in A. ]

Show that any continuous function on to R can be uniformly approximated by functions of the form where .

##### Solution Summary

Properties of the Stone-Weierstrass Theorem are emphasized.

##### Solution Preview

Let be a compact interval and let A be a collection of continuous functions on which satisfy the properties of the Stone-Weierstrass Theorem
[Stone-Weierstrass Theorem: Let K be a compact subset of and let A be a collection of continuous functions on K to R with the properties:
a) The constant function belongs to A.
b) If
c) if
d) if
Then any continuous function K to R can be uniformly approximated on K by functions in A. ]

Show that any continuous function on to R can be uniformly approximated by functions of the form where .
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Since is compact, we just need to show ...

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